18897944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181711}}^1$

素因数の和:181730

約数の個数: 16

約数和(自身を含む): 38159520

約数和(自身を除く): 19261576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181711, 363422, 726844, 1453688, 2362243, 4724486, 9448972, 18897944]

約数ペア:

[(1, 18897944), (2, 9448972), (4, 4724486), (8, 2362243), (13, 1453688), (26, 726844), (52, 363422), (104, 181711)]