18248925

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 31997952

約数和(自身を除く): 13749027

約数列:

[1, 3, 5, 15, 25, 31, 47, 75, 93, 141, 155, 167, 235, 465, 501, 705, 775, 835, 1175, 1457, 2325, 2505, 3525, 4175, 4371, 5177, 7285, 7849, 12525, 15531, 21855, 23547, 25885, 36425, 39245, 77655, 109275, 117735, 129425, 196225, 243319, 388275, 588675, 729957, 1216595, 3649785, 6082975, 18248925]

約数ペア:

[(1, 18248925), (3, 6082975), (5, 3649785), (15, 1216595), (25, 729957), (31, 588675), (47, 388275), (75, 243319), (93, 196225), (141, 129425), (155, 117735), (167, 109275), (235, 77655), (465, 39245), (501, 36425), (705, 25885), (775, 23547), (835, 21855), (1175, 15531), (1457, 12525), (2325, 7849), (2505, 7285), (3525, 5177), (4175, 4371)]