17993260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21943}}^1$

素因数の和:21993

約数の個数: 24

約数和(自身を含む): 38709216

約数和(自身を除く): 20715956

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21943, 43886, 87772, 109715, 219430, 438860, 899663, 1799326, 3598652, 4498315, 8996630, 17993260]

約数ペア:

[(1, 17993260), (2, 8996630), (4, 4498315), (5, 3598652), (10, 1799326), (20, 899663), (41, 438860), (82, 219430), (164, 109715), (205, 87772), (410, 43886), (820, 21943)]