19490068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5279}}^1$

素因数の和:5367

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17765612

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5279, 10558, 21116, 68627, 137254, 274508, 374809, 749618, 1499236, 4872517, 9745034, 19490068]

約数ペア:

[(1, 19490068), (2, 9745034), (4, 4872517), (13, 1499236), (26, 749618), (52, 374809), (71, 274508), (142, 137254), (284, 68627), (923, 21116), (1846, 10558), (3692, 5279)]