17991194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12490726

約数列:

[1, 2, 13, 26, 29, 58, 107, 214, 223, 377, 446, 754, 1391, 2782, 2899, 3103, 5798, 6206, 6467, 12934, 23861, 40339, 47722, 80678, 84071, 168142, 310193, 620386, 691969, 1383938, 8995597, 17991194]

約数ペア:

[(1, 17991194), (2, 8995597), (13, 1383938), (26, 691969), (29, 620386), (58, 310193), (107, 168142), (214, 84071), (223, 80678), (377, 47722), (446, 40339), (754, 23861), (1391, 12934), (2782, 6467), (2899, 6206), (3103, 5798)]