19839783

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{557}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 27426816

約数和(自身を除く): 7587033

約数列:

[1, 3, 31, 93, 383, 557, 1149, 1671, 11873, 17267, 35619, 51801, 213331, 639993, 6613261, 19839783]

約数ペア:

[(1, 19839783), (3, 6613261), (31, 639993), (93, 213331), (383, 51801), (557, 35619), (1149, 17267), (1671, 11873)]