18820750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5791}}^1$

素因数の和:5821

約数の個数: 32

約数和(自身を含む): 37949184

約数和(自身を除く): 19128434

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 5791, 11582, 28955, 57910, 75283, 144775, 150566, 289550, 376415, 723875, 752830, 1447750, 1882075, 3764150, 9410375, 18820750]

約数ペア:

[(1, 18820750), (2, 9410375), (5, 3764150), (10, 1882075), (13, 1447750), (25, 752830), (26, 723875), (50, 376415), (65, 289550), (125, 150566), (130, 144775), (250, 75283), (325, 57910), (650, 28955), (1625, 11582), (3250, 5791)]