18205850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 37502808

約数和(自身を除く): 19296958

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 757, 925, 962, 1514, 1850, 2405, 3785, 4810, 7570, 9841, 12025, 18925, 19682, 24050, 28009, 37850, 49205, 56018, 98410, 140045, 246025, 280090, 364117, 492050, 700225, 728234, 1400450, 1820585, 3641170, 9102925, 18205850]

約数ペア:

[(1, 18205850), (2, 9102925), (5, 3641170), (10, 1820585), (13, 1400450), (25, 728234), (26, 700225), (37, 492050), (50, 364117), (65, 280090), (74, 246025), (130, 140045), (185, 98410), (325, 56018), (370, 49205), (481, 37850), (650, 28009), (757, 24050), (925, 19682), (962, 18925), (1514, 12025), (1850, 9841), (2405, 7570), (3785, 4810)]