19906416

素因数分解:

$2^4\times 3^2\times {\mathrm{138239}}^1$

素因数の和:138253

約数の個数: 30

約数和(自身を含む): 55710720

約数和(自身を除く): 35804304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138239, 276478, 414717, 552956, 829434, 1105912, 1244151, 1658868, 2211824, 2488302, 3317736, 4976604, 6635472, 9953208, 19906416]

約数ペア:

[(1, 19906416), (2, 9953208), (3, 6635472), (4, 4976604), (6, 3317736), (8, 2488302), (9, 2211824), (12, 1658868), (16, 1244151), (18, 1105912), (24, 829434), (36, 552956), (48, 414717), (72, 276478), (144, 138239)]