19900996856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191355739}}^1$

素因数の和:191355758

約数の個数: 16

約数和(自身を含む): 40184705400

約数和(自身を除く): 20283708544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191355739, 382711478, 765422956, 1530845912, 2487624607, 4975249214, 9950498428, 19900996856]

約数ペア:

[(1, 19900996856), (2, 9950498428), (4, 4975249214), (8, 2487624607), (13, 1530845912), (26, 765422956), (52, 382711478), (104, 191355739)]