18410925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 34247808

約数和(自身を除く): 15836883

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 821, 897, 975, 1495, 1725, 2463, 4105, 4485, 7475, 10673, 12315, 18883, 20525, 22425, 32019, 53365, 56649, 61575, 94415, 160095, 245479, 266825, 283245, 472075, 736437, 800475, 1227395, 1416225, 3682185, 6136975, 18410925]

約数ペア:

[(1, 18410925), (3, 6136975), (5, 3682185), (13, 1416225), (15, 1227395), (23, 800475), (25, 736437), (39, 472075), (65, 283245), (69, 266825), (75, 245479), (115, 160095), (195, 94415), (299, 61575), (325, 56649), (345, 53365), (575, 32019), (821, 22425), (897, 20525), (975, 18883), (1495, 12315), (1725, 10673), (2463, 7475), (4105, 4485)]