17987794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1926

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 14360366

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 1871, 3742, 4807, 9614, 20581, 35549, 41162, 43033, 71098, 86066, 391039, 473363, 782078, 817627, 946726, 1635254, 8993897, 17987794]

約数ペア:

[(1, 17987794), (2, 8993897), (11, 1635254), (19, 946726), (22, 817627), (23, 782078), (38, 473363), (46, 391039), (209, 86066), (253, 71098), (418, 43033), (437, 41162), (506, 35549), (874, 20581), (1871, 9614), (3742, 4807)]