19703198590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26990683}}^1$

素因数の和:26990763

約数の個数: 16

約数和(自身を含む): 35951591088

約数和(自身を除く): 16248392498

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 26990683, 53981366, 134953415, 269906830, 1970319859, 3940639718, 9851599295, 19703198590]

約数ペア:

[(1, 19703198590), (2, 9851599295), (5, 3940639718), (10, 1970319859), (73, 269906830), (146, 134953415), (365, 53981366), (730, 26990683)]