18731322018

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:844

約数の個数: 96

約数和(自身を含む): 41654845440

約数和(自身を除く): 22923523422

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 163, 211, 237, 326, 383, 422, 474, 489, 633, 711, 766, 978, 1149, 1266, 1422, 1467, 1899, 2298, 2934, 3447, 3798, 6894, 12877, 16669, 25754, 30257, 33338, 34393, 38631, 50007, 60514, 62429, 68786, 77262, 80813, 90771, 100014, 103179, 115893, 124858, 150021, 161626, 181542, 187287, 206358, 231786, 242439, 272313, 300042, 309537, 374574, 484878, 544626, 561861, 619074, 727317, 1123722, 1454634, 2717047, 4931891, 5434094, 6384227, 8151141, 9863782, 12768454, 13172519, 14795673, 16302282, 19152681, 24453423, 26345038, 29591346, 38305362, 39517557, 44387019, 48906846, 57458043, 79035114, 88774038, 114916086, 118552671, 237105342, 1040629001, 2081258002, 3121887003, 6243774006, 9365661009, 18731322018]

約数ペア:

[(1, 18731322018), (2, 9365661009), (3, 6243774006), (6, 3121887003), (9, 2081258002), (18, 1040629001), (79, 237105342), (158, 118552671), (163, 114916086), (211, 88774038), (237, 79035114), (326, 57458043), (383, 48906846), (422, 44387019), (474, 39517557), (489, 38305362), (633, 29591346), (711, 26345038), (766, 24453423), (978, 19152681), (1149, 16302282), (1266, 14795673), (1422, 13172519), (1467, 12768454), (1899, 9863782), (2298, 8151141), (2934, 6384227), (3447, 5434094), (3798, 4931891), (6894, 2717047), (12877, 1454634), (16669, 1123722), (25754, 727317), (30257, 619074), (33338, 561861), (34393, 544626), (38631, 484878), (50007, 374574), (60514, 309537), (62429, 300042), (68786, 272313), (77262, 242439), (80813, 231786), (90771, 206358), (100014, 187287), (103179, 181542), (115893, 161626), (124858, 150021)]