18579572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 38283840

約数和(自身を除く): 19704268

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 59, 68, 118, 187, 236, 374, 421, 649, 748, 842, 1003, 1298, 1684, 2006, 2596, 4012, 4631, 7157, 9262, 11033, 14314, 18524, 22066, 24839, 28628, 44132, 49678, 78727, 99356, 157454, 273229, 314908, 422263, 546458, 844526, 1092916, 1689052, 4644893, 9289786, 18579572]

約数ペア:

[(1, 18579572), (2, 9289786), (4, 4644893), (11, 1689052), (17, 1092916), (22, 844526), (34, 546458), (44, 422263), (59, 314908), (68, 273229), (118, 157454), (187, 99356), (236, 78727), (374, 49678), (421, 44132), (649, 28628), (748, 24839), (842, 22066), (1003, 18524), (1298, 14314), (1684, 11033), (2006, 9262), (2596, 7157), (4012, 4631)]