19813045

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13807}}^1$

素因数の和:13860

約数の個数: 16

約数和(自身を含む): 27836928

約数和(自身を除く): 8023883

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 13807, 69035, 96649, 483245, 566087, 2830435, 3962609, 19813045]

約数ペア:

[(1, 19813045), (5, 3962609), (7, 2830435), (35, 566087), (41, 483245), (205, 96649), (287, 69035), (1435, 13807)]