19860399

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{853}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 31085600

約数和(自身を除く): 11225201

約数列:

[1, 3, 9, 13, 39, 117, 199, 597, 853, 1791, 2559, 2587, 7677, 7761, 11089, 23283, 33267, 99801, 169747, 509241, 1527723, 2206711, 6620133, 19860399]

約数ペア:

[(1, 19860399), (3, 6620133), (9, 2206711), (13, 1527723), (39, 509241), (117, 169747), (199, 99801), (597, 33267), (853, 23283), (1791, 11089), (2559, 7761), (2587, 7677)]