18815328

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 240

約数和(自身を含む): 68058144

約数和(自身を除く): 49242816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 61, 63, 68, 72, 81, 84, 96, 102, 108, 112, 119, 122, 126, 136, 144, 153, 162, 168, 183, 189, 204, 216, 224, 238, 244, 252, 272, 288, 306, 324, 336, 357, 366, 378, 408, 427, 432, 459, 476, 488, 504, 544, 549, 567, 612, 648, 672, 714, 732, 756, 816, 854, 864, 918, 952, 976, 1008, 1037, 1071, 1098, 1134, 1224, 1281, 1296, 1377, 1428, 1464, 1512, 1632, 1647, 1708, 1836, 1904, 1952, 2016, 2074, 2142, 2196, 2268, 2448, 2562, 2592, 2754, 2856, 2928, 3024, 3111, 3213, 3294, 3416, 3672, 3808, 3843, 4148, 4284, 4392, 4536, 4896, 4941, 5124, 5508, 5712, 5856, 6048, 6222, 6426, 6588, 6832, 7259, 7344, 7686, 8296, 8568, 8784, 9072, 9333, 9639, 9882, 10248, 11016, 11424, 11529, 12444, 12852, 13176, 13664, 14518, 14688, 15372, 16592, 17136, 17568, 18144, 18666, 19278, 19764, 20496, 21777, 22032, 23058, 24888, 25704, 26352, 27999, 29036, 30744, 33184, 34272, 34587, 37332, 38556, 39528, 40992, 43554, 44064, 46116, 49776, 51408, 52704, 55998, 58072, 61488, 65331, 69174, 74664, 77112, 79056, 83997, 87108, 92232, 99552, 102816, 111996, 116144, 122976, 130662, 138348, 149328, 154224, 158112, 167994, 174216, 184464, 195993, 223992, 232288, 261324, 276696, 298656, 308448, 335988, 348432, 368928, 391986, 447984, 522648, 553392, 587979, 671976, 696864, 783972, 895968, 1045296, 1106784, 1175958, 1343952, 1567944, 2090592, 2351916, 2687904, 3135888, 4703832, 6271776, 9407664, 18815328]

約数ペア:

[(1, 18815328), (2, 9407664), (3, 6271776), (4, 4703832), (6, 3135888), (7, 2687904), (8, 2351916), (9, 2090592), (12, 1567944), (14, 1343952), (16, 1175958), (17, 1106784), (18, 1045296), (21, 895968), (24, 783972), (27, 696864), (28, 671976), (32, 587979), (34, 553392), (36, 522648), (42, 447984), (48, 391986), (51, 368928), (54, 348432), (56, 335988), (61, 308448), (63, 298656), (68, 276696), (72, 261324), (81, 232288), (84, 223992), (96, 195993), (102, 184464), (108, 174216), (112, 167994), (119, 158112), (122, 154224), (126, 149328), (136, 138348), (144, 130662), (153, 122976), (162, 116144), (168, 111996), (183, 102816), (189, 99552), (204, 92232), (216, 87108), (224, 83997), (238, 79056), (244, 77112), (252, 74664), (272, 69174), (288, 65331), (306, 61488), (324, 58072), (336, 55998), (357, 52704), (366, 51408), (378, 49776), (408, 46116), (427, 44064), (432, 43554), (459, 40992), (476, 39528), (488, 38556), (504, 37332), (544, 34587), (549, 34272), (567, 33184), (612, 30744), (648, 29036), (672, 27999), (714, 26352), (732, 25704), (756, 24888), (816, 23058), (854, 22032), (864, 21777), (918, 20496), (952, 19764), (976, 19278), (1008, 18666), (1037, 18144), (1071, 17568), (1098, 17136), (1134, 16592), (1224, 15372), (1281, 14688), (1296, 14518), (1377, 13664), (1428, 13176), (1464, 12852), (1512, 12444), (1632, 11529), (1647, 11424), (1708, 11016), (1836, 10248), (1904, 9882), (1952, 9639), (2016, 9333), (2074, 9072), (2142, 8784), (2196, 8568), (2268, 8296), (2448, 7686), (2562, 7344), (2592, 7259), (2754, 6832), (2856, 6588), (2928, 6426), (3024, 6222), (3111, 6048), (3213, 5856), (3294, 5712), (3416, 5508), (3672, 5124), (3808, 4941), (3843, 4896), (4148, 4536), (4284, 4392)]