18140895

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1619}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 14518305

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1619, 2241, 3735, 4857, 8095, 11205, 14571, 24285, 43713, 72855, 134377, 218565, 403131, 671885, 1209393, 2015655, 3628179, 6046965, 18140895]

約数ペア:

[(1, 18140895), (3, 6046965), (5, 3628179), (9, 2015655), (15, 1209393), (27, 671885), (45, 403131), (83, 218565), (135, 134377), (249, 72855), (415, 43713), (747, 24285), (1245, 14571), (1619, 11205), (2241, 8095), (3735, 4857)]