13219780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{94427}}^1$

素因数の和:94443

約数の個数: 24

約数和(自身を含む): 31727808

約数和(自身を除く): 18508028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 94427, 188854, 377708, 472135, 660989, 944270, 1321978, 1888540, 2643956, 3304945, 6609890, 13219780]

約数ペア:

[(1, 13219780), (2, 6609890), (4, 3304945), (5, 2643956), (7, 1888540), (10, 1321978), (14, 944270), (20, 660989), (28, 472135), (35, 377708), (70, 188854), (140, 94427)]