12157445678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45704683}}^1$

素因数の和:45704711

約数の個数: 16

約数和(自身を含む): 21938248320

約数和(自身を除く): 9780802642

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 45704683, 91409366, 319932781, 639865562, 868388977, 1736777954, 6078722839, 12157445678]

約数ペア:

[(1, 12157445678), (2, 6078722839), (7, 1736777954), (14, 868388977), (19, 639865562), (38, 319932781), (133, 91409366), (266, 45704683)]