18854538

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 38740032

約数和(自身を除く): 19885494

約数列:

[1, 2, 3, 6, 53, 106, 159, 211, 281, 318, 422, 562, 633, 843, 1266, 1686, 11183, 14893, 22366, 29786, 33549, 44679, 59291, 67098, 89358, 118582, 177873, 355746, 3142423, 6284846, 9427269, 18854538]

約数ペア:

[(1, 18854538), (2, 9427269), (3, 6284846), (6, 3142423), (53, 355746), (106, 177873), (159, 118582), (211, 89358), (281, 67098), (318, 59291), (422, 44679), (562, 33549), (633, 29786), (843, 22366), (1266, 14893), (1686, 11183)]