17964916

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 32144000

約数和(自身を除く): 14179084

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 409, 556, 818, 1636, 10981, 21962, 32311, 43924, 56851, 64622, 113702, 129244, 227404, 4491229, 8982458, 17964916]

約数ペア:

[(1, 17964916), (2, 8982458), (4, 4491229), (79, 227404), (139, 129244), (158, 113702), (278, 64622), (316, 56851), (409, 43924), (556, 32311), (818, 21962), (1636, 10981)]