19840125

素因数分解:

$3^1\times 5^3\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 33306624

約数和(自身を除く): 13466499

約数列:

[1, 3, 5, 15, 25, 75, 125, 191, 277, 375, 573, 831, 955, 1385, 2865, 4155, 4775, 6925, 14325, 20775, 23875, 34625, 52907, 71625, 103875, 158721, 264535, 793605, 1322675, 3968025, 6613375, 19840125]

約数ペア:

[(1, 19840125), (3, 6613375), (5, 3968025), (15, 1322675), (25, 793605), (75, 264535), (125, 158721), (191, 103875), (277, 71625), (375, 52907), (573, 34625), (831, 23875), (955, 20775), (1385, 14325), (2865, 6925), (4155, 4775)]