18788325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8081}}^1$

素因数の和:8125

約数の個数: 24

約数和(自身を含む): 32069376

約数和(自身を除く): 13281051

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 8081, 24243, 40405, 121215, 202025, 250511, 606075, 751533, 1252555, 3757665, 6262775, 18788325]

約数ペア:

[(1, 18788325), (3, 6262775), (5, 3757665), (15, 1252555), (25, 751533), (31, 606075), (75, 250511), (93, 202025), (155, 121215), (465, 40405), (775, 24243), (2325, 8081)]