18913890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6121}}^1$

素因数の和:6234

約数の個数: 32

約数和(自身を含む): 45841536

約数和(自身を除く): 26927646

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 6121, 12242, 18363, 30605, 36726, 61210, 91815, 183630, 630463, 1260926, 1891389, 3152315, 3782778, 6304630, 9456945, 18913890]

約数ペア:

[(1, 18913890), (2, 9456945), (3, 6304630), (5, 3782778), (6, 3152315), (10, 1891389), (15, 1260926), (30, 630463), (103, 183630), (206, 91815), (309, 61210), (515, 36726), (618, 30605), (1030, 18363), (1545, 12242), (3090, 6121)]