19452640

素因数分解:

$2^5\times 5^1\times {\mathrm{121579}}^1$

素因数の和:121594

約数の個数: 24

約数和(自身を含む): 45957240

約数和(自身を除く): 26504600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121579, 243158, 486316, 607895, 972632, 1215790, 1945264, 2431580, 3890528, 4863160, 9726320, 19452640]

約数ペア:

[(1, 19452640), (2, 9726320), (4, 4863160), (5, 3890528), (8, 2431580), (10, 1945264), (16, 1215790), (20, 972632), (32, 607895), (40, 486316), (80, 243158), (160, 121579)]