19633220

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3911}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 41404608

約数和(自身を除く): 21771388

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 3911, 5020, 7822, 15644, 19555, 39110, 78220, 981661, 1963322, 3926644, 4908305, 9816610, 19633220]

約数ペア:

[(1, 19633220), (2, 9816610), (4, 4908305), (5, 3926644), (10, 1963322), (20, 981661), (251, 78220), (502, 39110), (1004, 19555), (1255, 15644), (2510, 7822), (3911, 5020)]