18392916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 26894508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 647, 1236, 1294, 1941, 2369, 2588, 3882, 4738, 7107, 7764, 9476, 14214, 14881, 28428, 29762, 44643, 59524, 66641, 89286, 133282, 178572, 199923, 266564, 399846, 799692, 1532743, 3065486, 4598229, 6130972, 9196458, 18392916]

約数ペア:

[(1, 18392916), (2, 9196458), (3, 6130972), (4, 4598229), (6, 3065486), (12, 1532743), (23, 799692), (46, 399846), (69, 266564), (92, 199923), (103, 178572), (138, 133282), (206, 89286), (276, 66641), (309, 59524), (412, 44643), (618, 29762), (647, 28428), (1236, 14881), (1294, 14214), (1941, 9476), (2369, 7764), (2588, 7107), (3882, 4738)]