209520011

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 227343360

約数和(自身を除く): 17823349

約数列:

[1, 19, 37, 491, 607, 703, 9329, 11533, 18167, 22459, 298037, 345173, 426721, 5662703, 11027369, 209520011]

約数ペア:

[(1, 209520011), (19, 11027369), (37, 5662703), (491, 426721), (607, 345173), (703, 298037), (9329, 22459), (11533, 18167)]