15819890

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5881}}^1$

素因数の和:6157

約数の個数: 16

約数和(自身を含む): 28586520

約数和(自身を除く): 12766630

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 5881, 11762, 29405, 58810, 1581989, 3163978, 7909945, 15819890]

約数ペア:

[(1, 15819890), (2, 7909945), (5, 3163978), (10, 1581989), (269, 58810), (538, 29405), (1345, 11762), (2690, 5881)]