18615330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 48614904

約数和(自身を除く): 29999574

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 397, 521, 794, 1042, 1191, 1563, 1985, 2382, 2605, 3126, 3573, 3970, 4689, 5210, 5955, 7146, 7815, 9378, 11910, 15630, 17865, 23445, 35730, 46890, 206837, 413674, 620511, 1034185, 1241022, 1861533, 2068370, 3102555, 3723066, 6205110, 9307665, 18615330]

約数ペア:

[(1, 18615330), (2, 9307665), (3, 6205110), (5, 3723066), (6, 3102555), (9, 2068370), (10, 1861533), (15, 1241022), (18, 1034185), (30, 620511), (45, 413674), (90, 206837), (397, 46890), (521, 35730), (794, 23445), (1042, 17865), (1191, 15630), (1563, 11910), (1985, 9378), (2382, 7815), (2605, 7146), (3126, 5955), (3573, 5210), (3970, 4689)]