19676276

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17021}}^1$

素因数の和:17059

約数の個数: 18

約数和(自身を含む): 36580278

約数和(自身を除く): 16904002

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17021, 34042, 68084, 289357, 578714, 1157428, 4919069, 9838138, 19676276]

約数ペア:

[(1, 19676276), (2, 9838138), (4, 4919069), (17, 1157428), (34, 578714), (68, 289357), (289, 68084), (578, 34042), (1156, 17021)]