19326375

素因数分解:

$3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 16447545

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 125, 205, 225, 369, 375, 419, 615, 1025, 1125, 1257, 1845, 2095, 3075, 3771, 5125, 6285, 9225, 10475, 15375, 17179, 18855, 31425, 46125, 51537, 52375, 85895, 94275, 154611, 157125, 257685, 429475, 471375, 773055, 1288425, 2147375, 3865275, 6442125, 19326375]

約数ペア:

[(1, 19326375), (3, 6442125), (5, 3865275), (9, 2147375), (15, 1288425), (25, 773055), (41, 471375), (45, 429475), (75, 257685), (123, 157125), (125, 154611), (205, 94275), (225, 85895), (369, 52375), (375, 51537), (419, 46125), (615, 31425), (1025, 18855), (1125, 17179), (1257, 15375), (1845, 10475), (2095, 9225), (3075, 6285), (3771, 5125)]