16981884

素因数分解:

$2^2\times 3^2\times {\mathrm{471719}}^1$

素因数の和:471729

約数の個数: 18

約数和(自身を含む): 42926520

約数和(自身を除く): 25944636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 471719, 943438, 1415157, 1886876, 2830314, 4245471, 5660628, 8490942, 16981884]

約数ペア:

[(1, 16981884), (2, 8490942), (3, 5660628), (4, 4245471), (6, 2830314), (9, 1886876), (12, 1415157), (18, 943438), (36, 471719)]