18630620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15271}}^1$

素因数の和:15341

約数の個数: 24

約数和(自身を含む): 39768288

約数和(自身を除く): 21137668

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15271, 30542, 61084, 76355, 152710, 305420, 931531, 1863062, 3726124, 4657655, 9315310, 18630620]

約数ペア:

[(1, 18630620), (2, 9315310), (4, 4657655), (5, 3726124), (10, 1863062), (20, 931531), (61, 305420), (122, 152710), (244, 76355), (305, 61084), (610, 30542), (1220, 15271)]