12289865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18481}}^1$

素因数の和:18512

約数の個数: 16

約数和(自身を含む): 17742720

約数和(自身を除く): 5452855

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 18481, 92405, 129367, 351139, 646835, 1755695, 2457973, 12289865]

約数ペア:

[(1, 12289865), (5, 2457973), (7, 1755695), (19, 646835), (35, 351139), (95, 129367), (133, 92405), (665, 18481)]