18985740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{316429}}^1$

素因数の和:316441

約数の個数: 24

約数和(自身を含む): 53160240

約数和(自身を除く): 34174500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 316429, 632858, 949287, 1265716, 1582145, 1898574, 3164290, 3797148, 4746435, 6328580, 9492870, 18985740]

約数ペア:

[(1, 18985740), (2, 9492870), (3, 6328580), (4, 4746435), (5, 3797148), (6, 3164290), (10, 1898574), (12, 1582145), (15, 1265716), (20, 949287), (30, 632858), (60, 316429)]