25221618

素因数分解:

$2^1\times 3^4\times {\mathrm{155689}}^1$

素因数の和:155703

約数の個数: 20

約数和(自身を含む): 56515470

約数和(自身を除く): 31293852

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 155689, 311378, 467067, 934134, 1401201, 2802402, 4203603, 8407206, 12610809, 25221618]

約数ペア:

[(1, 25221618), (2, 12610809), (3, 8407206), (6, 4203603), (9, 2802402), (18, 1401201), (27, 934134), (54, 467067), (81, 311378), (162, 155689)]