2019908905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{41609}}^1$

素因数の和:41713

約数の個数: 32

約数和(自身を含む): 2955974400

約数和(自身を除く): 936065495

約数列:

[1, 5, 7, 19, 35, 73, 95, 133, 365, 511, 665, 1387, 2555, 6935, 9709, 41609, 48545, 208045, 291263, 790571, 1456315, 3037457, 3952855, 5533997, 15187285, 21262199, 27669985, 57711683, 106310995, 288558415, 403981781, 2019908905]

約数ペア:

[(1, 2019908905), (5, 403981781), (7, 288558415), (19, 106310995), (35, 57711683), (73, 27669985), (95, 21262199), (133, 15187285), (365, 5533997), (511, 3952855), (665, 3037457), (1387, 1456315), (2555, 790571), (6935, 291263), (9709, 208045), (41609, 48545)]