18629475

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 31039680

約数和(自身を除く): 12410205

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1787, 2085, 3475, 5361, 8935, 10425, 26805, 44675, 134025, 248393, 745179, 1241965, 3725895, 6209825, 18629475]

約数ペア:

[(1, 18629475), (3, 6209825), (5, 3725895), (15, 1241965), (25, 745179), (75, 248393), (139, 134025), (417, 44675), (695, 26805), (1787, 10425), (2085, 8935), (3475, 5361)]