18765164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 36487752

約数和(自身を除く): 17722588

約数列:

[1, 2, 4, 11, 22, 44, 121, 137, 242, 274, 283, 484, 548, 566, 1132, 1507, 3014, 3113, 6028, 6226, 12452, 16577, 33154, 34243, 38771, 66308, 68486, 77542, 136972, 155084, 426481, 852962, 1705924, 4691291, 9382582, 18765164]

約数ペア:

[(1, 18765164), (2, 9382582), (4, 4691291), (11, 1705924), (22, 852962), (44, 426481), (121, 155084), (137, 136972), (242, 77542), (274, 68486), (283, 66308), (484, 38771), (548, 34243), (566, 33154), (1132, 16577), (1507, 12452), (3014, 6226), (3113, 6028)]