18795332

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1109}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 34809600

約数和(自身を除く): 16014268

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 1109, 2218, 4237, 4436, 8474, 16948, 21071, 42142, 84284, 247307, 494614, 989228, 4698833, 9397666, 18795332]

約数ペア:

[(1, 18795332), (2, 9397666), (4, 4698833), (19, 989228), (38, 494614), (76, 247307), (223, 84284), (446, 42142), (892, 21071), (1109, 16948), (2218, 8474), (4237, 4436)]