18591804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 61850880

約数和(自身を除く): 43259076

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 353, 396, 399, 418, 462, 532, 627, 684, 693, 706, 798, 836, 924, 1059, 1197, 1254, 1386, 1412, 1463, 1596, 1881, 2118, 2394, 2471, 2508, 2772, 2926, 3177, 3762, 3883, 4236, 4389, 4788, 4942, 5852, 6354, 6707, 7413, 7524, 7766, 8778, 9884, 11649, 12708, 13167, 13414, 14826, 15532, 17556, 20121, 22239, 23298, 26334, 26828, 27181, 29652, 34947, 40242, 44478, 46596, 46949, 52668, 54362, 60363, 69894, 73777, 80484, 81543, 88956, 93898, 108724, 120726, 139788, 140847, 147554, 163086, 187796, 221331, 241452, 244629, 281694, 295108, 326172, 422541, 442662, 489258, 516439, 563388, 663993, 845082, 885324, 978516, 1032878, 1327986, 1549317, 1690164, 2065756, 2655972, 3098634, 4647951, 6197268, 9295902, 18591804]

約数ペア:

[(1, 18591804), (2, 9295902), (3, 6197268), (4, 4647951), (6, 3098634), (7, 2655972), (9, 2065756), (11, 1690164), (12, 1549317), (14, 1327986), (18, 1032878), (19, 978516), (21, 885324), (22, 845082), (28, 663993), (33, 563388), (36, 516439), (38, 489258), (42, 442662), (44, 422541), (57, 326172), (63, 295108), (66, 281694), (76, 244629), (77, 241452), (84, 221331), (99, 187796), (114, 163086), (126, 147554), (132, 140847), (133, 139788), (154, 120726), (171, 108724), (198, 93898), (209, 88956), (228, 81543), (231, 80484), (252, 73777), (266, 69894), (308, 60363), (342, 54362), (353, 52668), (396, 46949), (399, 46596), (418, 44478), (462, 40242), (532, 34947), (627, 29652), (684, 27181), (693, 26828), (706, 26334), (798, 23298), (836, 22239), (924, 20121), (1059, 17556), (1197, 15532), (1254, 14826), (1386, 13414), (1412, 13167), (1463, 12708), (1596, 11649), (1881, 9884), (2118, 8778), (2394, 7766), (2471, 7524), (2508, 7413), (2772, 6707), (2926, 6354), (3177, 5852), (3762, 4942), (3883, 4788), (4236, 4389)]