18298588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 40336128

約数和(自身を除く): 22037540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 491, 847, 982, 1331, 1694, 1964, 2662, 3388, 3437, 5324, 5401, 6874, 9317, 10802, 13748, 18634, 21604, 37268, 37807, 59411, 75614, 118822, 151228, 237644, 415877, 653521, 831754, 1307042, 1663508, 2614084, 4574647, 9149294, 18298588]

約数ペア:

[(1, 18298588), (2, 9149294), (4, 4574647), (7, 2614084), (11, 1663508), (14, 1307042), (22, 831754), (28, 653521), (44, 415877), (77, 237644), (121, 151228), (154, 118822), (242, 75614), (308, 59411), (484, 37807), (491, 37268), (847, 21604), (982, 18634), (1331, 13748), (1694, 10802), (1964, 9317), (2662, 6874), (3388, 5401), (3437, 5324)]