17999912

素因数分解:

$2^3\times 7^1\times {\mathrm{321427}}^1$

素因数の和:321440

約数の個数: 16

約数和(自身を含む): 38571360

約数和(自身を除く): 20571448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 321427, 642854, 1285708, 2249989, 2571416, 4499978, 8999956, 17999912]

約数ペア:

[(1, 17999912), (2, 8999956), (4, 4499978), (7, 2571416), (8, 2249989), (14, 1285708), (28, 642854), (56, 321427)]