19503921969

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1899301}}^1$

素因数の和:1899477

約数の個数: 24

約数和(自身を含む): 32394494912

約数和(自身を除く): 12890572943

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 10269, 1899301, 5697903, 13295107, 17093709, 39885321, 119655963, 309586063, 928758189, 2167102441, 2786274567, 6501307323, 19503921969]

約数ペア:

[(1, 19503921969), (3, 6501307323), (7, 2786274567), (9, 2167102441), (21, 928758189), (63, 309586063), (163, 119655963), (489, 39885321), (1141, 17093709), (1467, 13295107), (3423, 5697903), (10269, 1899301)]