18113320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10531}}^1$

素因数の和:10585

約数の個数: 32

約数和(自身を含む): 41706720

約数和(自身を除く): 23593400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10531, 21062, 42124, 52655, 84248, 105310, 210620, 421240, 452833, 905666, 1811332, 2264165, 3622664, 4528330, 9056660, 18113320]

約数ペア:

[(1, 18113320), (2, 9056660), (4, 4528330), (5, 3622664), (8, 2264165), (10, 1811332), (20, 905666), (40, 452833), (43, 421240), (86, 210620), (172, 105310), (215, 84248), (344, 52655), (430, 42124), (860, 21062), (1720, 10531)]