18528780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{308813}}^1$

素因数の和:308825

約数の個数: 24

約数和(自身を含む): 51880752

約数和(自身を除く): 33351972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 308813, 617626, 926439, 1235252, 1544065, 1852878, 3088130, 3705756, 4632195, 6176260, 9264390, 18528780]

約数ペア:

[(1, 18528780), (2, 9264390), (3, 6176260), (4, 4632195), (5, 3705756), (6, 3088130), (10, 1852878), (12, 1544065), (15, 1235252), (20, 926439), (30, 617626), (60, 308813)]