18228860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70111}}^1$

素因数の和:70133

約数の個数: 24

約数和(自身を含む): 41225856

約数和(自身を除く): 22996996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70111, 140222, 280444, 350555, 701110, 911443, 1402220, 1822886, 3645772, 4557215, 9114430, 18228860]

約数ペア:

[(1, 18228860), (2, 9114430), (4, 4557215), (5, 3645772), (10, 1822886), (13, 1402220), (20, 911443), (26, 701110), (52, 350555), (65, 280444), (130, 140222), (260, 70111)]