19765485

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3571}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 36005760

約数和(自身を除く): 16240275

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3571, 5535, 10713, 17855, 32139, 53565, 96417, 146411, 160695, 439233, 482085, 732055, 1317699, 2196165, 3953097, 6588495, 19765485]

約数ペア:

[(1, 19765485), (3, 6588495), (5, 3953097), (9, 2196165), (15, 1317699), (27, 732055), (41, 482085), (45, 439233), (123, 160695), (135, 146411), (205, 96417), (369, 53565), (615, 32139), (1107, 17855), (1845, 10713), (3571, 5535)]