18780050156

素因数分解:

$2^2\times 7^1\times {\mathrm{670716077}}^1$

素因数の和:670716088

約数の個数: 12

約数和(自身を含む): 37560100368

約数和(自身を除く): 18780050212

約数列:

[1, 2, 4, 7, 14, 28, 670716077, 1341432154, 2682864308, 4695012539, 9390025078, 18780050156]

約数ペア:

[(1, 18780050156), (2, 9390025078), (4, 4695012539), (7, 2682864308), (14, 1341432154), (28, 670716077)]