18321807

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9803}}^1$

素因数の和:9902

約数の個数: 16

約数和(自身を含む): 28235520

約数和(自身を除く): 9913713

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 9803, 29409, 68621, 205863, 872467, 2617401, 6107269, 18321807]

約数ペア:

[(1, 18321807), (3, 6107269), (7, 2617401), (21, 872467), (89, 205863), (267, 68621), (623, 29409), (1869, 9803)]