15881256

素因数分解:

$2^3\times 3^2\times {\mathrm{220573}}^1$

素因数の和:220585

約数の個数: 24

約数和(自身を含む): 43011930

約数和(自身を除く): 27130674

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 220573, 441146, 661719, 882292, 1323438, 1764584, 1985157, 2646876, 3970314, 5293752, 7940628, 15881256]

約数ペア:

[(1, 15881256), (2, 7940628), (3, 5293752), (4, 3970314), (6, 2646876), (8, 1985157), (9, 1764584), (12, 1323438), (18, 882292), (24, 661719), (36, 441146), (72, 220573)]