17943290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20161}}^1$

素因数の和:20257

約数の個数: 16

約数和(自身を含む): 32662440

約数和(自身を除く): 14719150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 20161, 40322, 100805, 201610, 1794329, 3588658, 8971645, 17943290]

約数ペア:

[(1, 17943290), (2, 8971645), (5, 3588658), (10, 1794329), (89, 201610), (178, 100805), (445, 40322), (890, 20161)]