18626968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{136963}}^1$

素因数の和:136986

約数の個数: 16

約数和(自身を含む): 36980280

約数和(自身を除く): 18353312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 136963, 273926, 547852, 1095704, 2328371, 4656742, 9313484, 18626968]

約数ペア:

[(1, 18626968), (2, 9313484), (4, 4656742), (8, 2328371), (17, 1095704), (34, 547852), (68, 273926), (136, 136963)]