19725550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30347}}^1$

素因数の和:30372

約数の個数: 24

約数和(自身を含む): 39513096

約数和(自身を除く): 19787546

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30347, 60694, 151735, 303470, 394511, 758675, 789022, 1517350, 1972555, 3945110, 9862775, 19725550]

約数ペア:

[(1, 19725550), (2, 9862775), (5, 3945110), (10, 1972555), (13, 1517350), (25, 789022), (26, 758675), (50, 394511), (65, 303470), (130, 151735), (325, 60694), (650, 30347)]