18715010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 35292672

約数和(自身を除く): 16577662

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 827, 1654, 2263, 4135, 4526, 8270, 11315, 22630, 25637, 51274, 60371, 120742, 128185, 256370, 301855, 603710, 1871501, 3743002, 9357505, 18715010]

約数ペア:

[(1, 18715010), (2, 9357505), (5, 3743002), (10, 1871501), (31, 603710), (62, 301855), (73, 256370), (146, 128185), (155, 120742), (310, 60371), (365, 51274), (730, 25637), (827, 22630), (1654, 11315), (2263, 8270), (4135, 4526)]