18967864030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1\times {\mathrm{1979}}^1$

素因数の和:2365

約数の個数: 64

約数和(自身を含む): 35500006080

約数和(自身を除く): 16532142050

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 241, 410, 482, 485, 970, 1205, 1979, 2410, 3958, 3977, 7954, 9881, 9895, 19762, 19790, 19885, 23377, 39770, 46754, 49405, 81139, 98810, 116885, 162278, 191963, 233770, 383926, 405695, 476939, 811390, 953878, 958457, 959815, 1916914, 1919630, 2384695, 4769390, 4792285, 7870483, 9584570, 15740966, 19554499, 39108998, 39352415, 46263083, 78704830, 92526166, 97772495, 195544990, 231315415, 462630830, 1896786403, 3793572806, 9483932015, 18967864030]

約数ペア:

[(1, 18967864030), (2, 9483932015), (5, 3793572806), (10, 1896786403), (41, 462630830), (82, 231315415), (97, 195544990), (194, 97772495), (205, 92526166), (241, 78704830), (410, 46263083), (482, 39352415), (485, 39108998), (970, 19554499), (1205, 15740966), (1979, 9584570), (2410, 7870483), (3958, 4792285), (3977, 4769390), (7954, 2384695), (9881, 1919630), (9895, 1916914), (19762, 959815), (19790, 958457), (19885, 953878), (23377, 811390), (39770, 476939), (46754, 405695), (49405, 383926), (81139, 233770), (98810, 191963), (116885, 162278)]