19488180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{857}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 35286540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 857, 1137, 1516, 1714, 1895, 2274, 2571, 3428, 3790, 4285, 4548, 5142, 5685, 7580, 8570, 10284, 11370, 12855, 17140, 22740, 25710, 51420, 324803, 649606, 974409, 1299212, 1624015, 1948818, 3248030, 3897636, 4872045, 6496060, 9744090, 19488180]

約数ペア:

[(1, 19488180), (2, 9744090), (3, 6496060), (4, 4872045), (5, 3897636), (6, 3248030), (10, 1948818), (12, 1624015), (15, 1299212), (20, 974409), (30, 649606), (60, 324803), (379, 51420), (758, 25710), (857, 22740), (1137, 17140), (1516, 12855), (1714, 11370), (1895, 10284), (2274, 8570), (2571, 7580), (3428, 5685), (3790, 5142), (4285, 4548)]