18371210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 40279680

約数和(自身を除く): 21908470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 130, 143, 145, 286, 290, 319, 377, 443, 638, 715, 754, 886, 1430, 1595, 1885, 2215, 3190, 3770, 4147, 4430, 4873, 5759, 8294, 9746, 11518, 12847, 20735, 24365, 25694, 28795, 41470, 48730, 57590, 63349, 64235, 126698, 128470, 141317, 167011, 282634, 316745, 334022, 633490, 706585, 835055, 1413170, 1670110, 1837121, 3674242, 9185605, 18371210]

約数ペア:

[(1, 18371210), (2, 9185605), (5, 3674242), (10, 1837121), (11, 1670110), (13, 1413170), (22, 835055), (26, 706585), (29, 633490), (55, 334022), (58, 316745), (65, 282634), (110, 167011), (130, 141317), (143, 128470), (145, 126698), (286, 64235), (290, 63349), (319, 57590), (377, 48730), (443, 41470), (638, 28795), (715, 25694), (754, 24365), (886, 20735), (1430, 12847), (1595, 11518), (1885, 9746), (2215, 8294), (3190, 5759), (3770, 4873), (4147, 4430)]