18379824

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 49758720

約数和(自身を除く): 31378896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 79, 111, 131, 148, 158, 222, 237, 262, 296, 316, 393, 444, 474, 524, 592, 632, 786, 888, 948, 1048, 1264, 1572, 1776, 1896, 2096, 2923, 3144, 3792, 4847, 5846, 6288, 8769, 9694, 10349, 11692, 14541, 17538, 19388, 20698, 23384, 29082, 31047, 35076, 38776, 41396, 46768, 58164, 62094, 70152, 77552, 82792, 116328, 124188, 140304, 165584, 232656, 248376, 382913, 496752, 765826, 1148739, 1531652, 2297478, 3063304, 4594956, 6126608, 9189912, 18379824]

約数ペア:

[(1, 18379824), (2, 9189912), (3, 6126608), (4, 4594956), (6, 3063304), (8, 2297478), (12, 1531652), (16, 1148739), (24, 765826), (37, 496752), (48, 382913), (74, 248376), (79, 232656), (111, 165584), (131, 140304), (148, 124188), (158, 116328), (222, 82792), (237, 77552), (262, 70152), (296, 62094), (316, 58164), (393, 46768), (444, 41396), (474, 38776), (524, 35076), (592, 31047), (632, 29082), (786, 23384), (888, 20698), (948, 19388), (1048, 17538), (1264, 14541), (1572, 11692), (1776, 10349), (1896, 9694), (2096, 8769), (2923, 6288), (3144, 5846), (3792, 4847)]