12618919210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40706191}}^1$

素因数の和:40706229

約数の個数: 16

約数和(自身を含む): 23446766592

約数和(自身を除く): 10827847382

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 40706191, 81412382, 203530955, 407061910, 1261891921, 2523783842, 6309459605, 12618919210]

約数ペア:

[(1, 12618919210), (2, 6309459605), (5, 2523783842), (10, 1261891921), (31, 407061910), (62, 203530955), (155, 81412382), (310, 40706191)]