18610790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1901}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 36974880

約数和(自身を除く): 18364090

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1901, 1958, 3802, 4895, 9505, 9790, 19010, 20911, 41822, 104555, 169189, 209110, 338378, 845945, 1691890, 1861079, 3722158, 9305395, 18610790]

約数ペア:

[(1, 18610790), (2, 9305395), (5, 3722158), (10, 1861079), (11, 1691890), (22, 845945), (55, 338378), (89, 209110), (110, 169189), (178, 104555), (445, 41822), (890, 20911), (979, 19010), (1901, 9790), (1958, 9505), (3802, 4895)]