31420528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103357}}^1$

素因数の和:103384

約数の個数: 20

約数和(自身を含む): 64081960

約数和(自身を除く): 32661432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 103357, 206714, 413428, 826856, 1653712, 1963783, 3927566, 7855132, 15710264, 31420528]

約数ペア:

[(1, 31420528), (2, 15710264), (4, 7855132), (8, 3927566), (16, 1963783), (19, 1653712), (38, 826856), (76, 413428), (152, 206714), (304, 103357)]