17894840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6301}}^1$

素因数の和:6383

約数の個数: 32

約数和(自身を含む): 40836960

約数和(自身を除く): 22942120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6301, 12602, 25204, 31505, 50408, 63010, 126020, 252040, 447371, 894742, 1789484, 2236855, 3578968, 4473710, 8947420, 17894840]

約数ペア:

[(1, 17894840), (2, 8947420), (4, 4473710), (5, 3578968), (8, 2236855), (10, 1789484), (20, 894742), (40, 447371), (71, 252040), (142, 126020), (284, 63010), (355, 50408), (568, 31505), (710, 25204), (1420, 12602), (2840, 6301)]