18849025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 25623360

約数和(自身を除く): 6774335

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 767, 983, 1475, 3835, 4915, 12779, 19175, 24575, 57997, 63895, 289985, 319475, 753961, 1449925, 3769805, 18849025]

約数ペア:

[(1, 18849025), (5, 3769805), (13, 1449925), (25, 753961), (59, 319475), (65, 289985), (295, 63895), (325, 57997), (767, 24575), (983, 19175), (1475, 12779), (3835, 4915)]