20194990655

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30368407}}^1$

素因数の和:30368438

約数の個数: 16

約数和(自身を含む): 29153671680

約数和(自身を除く): 8958681025

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30368407, 151842035, 212578849, 576999733, 1062894245, 2884998665, 4038998131, 20194990655]

約数ペア:

[(1, 20194990655), (5, 4038998131), (7, 2884998665), (19, 1062894245), (35, 576999733), (95, 212578849), (133, 151842035), (665, 30368407)]