18908220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2087}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 34410948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2087, 2265, 3020, 4174, 4530, 6261, 8348, 9060, 10435, 12522, 20870, 25044, 31305, 41740, 62610, 125220, 315137, 630274, 945411, 1260548, 1575685, 1890822, 3151370, 3781644, 4727055, 6302740, 9454110, 18908220]

約数ペア:

[(1, 18908220), (2, 9454110), (3, 6302740), (4, 4727055), (5, 3781644), (6, 3151370), (10, 1890822), (12, 1575685), (15, 1260548), (20, 945411), (30, 630274), (60, 315137), (151, 125220), (302, 62610), (453, 41740), (604, 31305), (755, 25044), (906, 20870), (1510, 12522), (1812, 10435), (2087, 9060), (2265, 8348), (3020, 6261), (4174, 4530)]