18570872

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{20543}}^1$

素因数の和:20662

約数の個数: 16

約数和(自身を含む): 35130240

約数和(自身を除く): 16559368

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 20543, 41086, 82172, 164344, 2321359, 4642718, 9285436, 18570872]

約数ペア:

[(1, 18570872), (2, 9285436), (4, 4642718), (8, 2321359), (113, 164344), (226, 82172), (452, 41086), (904, 20543)]