1916557880

素因数分解:

$2^3\times 5^1\times {\mathrm{47913947}}^1$

素因数の和:47913958

約数の個数: 16

約数和(自身を含む): 4312255320

約数和(自身を除く): 2395697440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47913947, 95827894, 191655788, 239569735, 383311576, 479139470, 958278940, 1916557880]

約数ペア:

[(1, 1916557880), (2, 958278940), (4, 479139470), (5, 383311576), (8, 239569735), (10, 191655788), (20, 95827894), (40, 47913947)]