18732010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 37662408

約数和(自身を除く): 18930398

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 121, 137, 226, 242, 274, 565, 605, 685, 1130, 1210, 1243, 1370, 1507, 2486, 3014, 6215, 7535, 12430, 13673, 15070, 15481, 16577, 27346, 30962, 33154, 68365, 77405, 82885, 136730, 154810, 165770, 170291, 340582, 851455, 1702910, 1873201, 3746402, 9366005, 18732010]

約数ペア:

[(1, 18732010), (2, 9366005), (5, 3746402), (10, 1873201), (11, 1702910), (22, 851455), (55, 340582), (110, 170291), (113, 165770), (121, 154810), (137, 136730), (226, 82885), (242, 77405), (274, 68365), (565, 33154), (605, 30962), (685, 27346), (1130, 16577), (1210, 15481), (1243, 15070), (1370, 13673), (1507, 12430), (2486, 7535), (3014, 6215)]