19645416

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 64817280

約数和(自身を除く): 45171864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 71, 72, 81, 84, 108, 122, 126, 142, 162, 168, 183, 189, 213, 216, 244, 252, 284, 324, 366, 378, 426, 427, 488, 497, 504, 549, 567, 568, 639, 648, 732, 756, 852, 854, 994, 1098, 1134, 1278, 1281, 1464, 1491, 1512, 1647, 1704, 1708, 1917, 1988, 2196, 2268, 2556, 2562, 2982, 3294, 3416, 3834, 3843, 3976, 4331, 4392, 4473, 4536, 4941, 5112, 5124, 5751, 5964, 6588, 7668, 7686, 8662, 8946, 9882, 10248, 11502, 11529, 11928, 12993, 13176, 13419, 15336, 15372, 17324, 17892, 19764, 23004, 23058, 25986, 26838, 30317, 30744, 34587, 34648, 35784, 38979, 39528, 40257, 46008, 46116, 51972, 53676, 60634, 69174, 77958, 80514, 90951, 92232, 103944, 107352, 116937, 121268, 138348, 155916, 161028, 181902, 233874, 242536, 272853, 276696, 311832, 322056, 350811, 363804, 467748, 545706, 701622, 727608, 818559, 935496, 1091412, 1403244, 1637118, 2182824, 2455677, 2806488, 3274236, 4911354, 6548472, 9822708, 19645416]

約数ペア:

[(1, 19645416), (2, 9822708), (3, 6548472), (4, 4911354), (6, 3274236), (7, 2806488), (8, 2455677), (9, 2182824), (12, 1637118), (14, 1403244), (18, 1091412), (21, 935496), (24, 818559), (27, 727608), (28, 701622), (36, 545706), (42, 467748), (54, 363804), (56, 350811), (61, 322056), (63, 311832), (71, 276696), (72, 272853), (81, 242536), (84, 233874), (108, 181902), (122, 161028), (126, 155916), (142, 138348), (162, 121268), (168, 116937), (183, 107352), (189, 103944), (213, 92232), (216, 90951), (244, 80514), (252, 77958), (284, 69174), (324, 60634), (366, 53676), (378, 51972), (426, 46116), (427, 46008), (488, 40257), (497, 39528), (504, 38979), (549, 35784), (567, 34648), (568, 34587), (639, 30744), (648, 30317), (732, 26838), (756, 25986), (852, 23058), (854, 23004), (994, 19764), (1098, 17892), (1134, 17324), (1278, 15372), (1281, 15336), (1464, 13419), (1491, 13176), (1512, 12993), (1647, 11928), (1704, 11529), (1708, 11502), (1917, 10248), (1988, 9882), (2196, 8946), (2268, 8662), (2556, 7686), (2562, 7668), (2982, 6588), (3294, 5964), (3416, 5751), (3834, 5124), (3843, 5112), (3976, 4941), (4331, 4536), (4392, 4473)]