19221796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11807}}^1$

素因数の和:11859

約数の個数: 24

約数和(自身を含む): 37691136

約数和(自身を除く): 18469340

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 11807, 23614, 47228, 129877, 259754, 436859, 519508, 873718, 1747436, 4805449, 9610898, 19221796]

約数ペア:

[(1, 19221796), (2, 9610898), (4, 4805449), (11, 1747436), (22, 873718), (37, 519508), (44, 436859), (74, 259754), (148, 129877), (407, 47228), (814, 23614), (1628, 11807)]