19702204

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 15920516

約数列:

[1, 2, 4, 37, 74, 148, 239, 478, 557, 956, 1114, 2228, 8843, 17686, 20609, 35372, 41218, 82436, 133123, 266246, 532492, 4925551, 9851102, 19702204]

約数ペア:

[(1, 19702204), (2, 9851102), (4, 4925551), (37, 532492), (74, 266246), (148, 133123), (239, 82436), (478, 41218), (557, 35372), (956, 20609), (1114, 17686), (2228, 8843)]