19347909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{48491}}^1$

素因数の和:48520

約数の個数: 16

約数和(自身を含む): 31034880

約数和(自身を除く): 11686971

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 48491, 145473, 339437, 921329, 1018311, 2763987, 6449303, 19347909]

約数ペア:

[(1, 19347909), (3, 6449303), (7, 2763987), (19, 1018311), (21, 921329), (57, 339437), (133, 145473), (399, 48491)]