19703165

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 4682371

約数列:

[1, 5, 41, 205, 223, 431, 1115, 2155, 9143, 17671, 45715, 88355, 96113, 480565, 3940633, 19703165]

約数ペア:

[(1, 19703165), (5, 3940633), (41, 480565), (205, 96113), (223, 88355), (431, 45715), (1115, 17671), (2155, 9143)]