18899642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2081}}^1$

素因数の和:2341

約数の個数: 16

約数和(自身を含む): 29980800

約数和(自身を除く): 11081158

約数列:

[1, 2, 19, 38, 239, 478, 2081, 4162, 4541, 9082, 39539, 79078, 497359, 994718, 9449821, 18899642]

約数ペア:

[(1, 18899642), (2, 9449821), (19, 994718), (38, 497359), (239, 79078), (478, 39539), (2081, 9082), (4162, 4541)]