16880868

素因数分解:

$2^2\times 3^2\times {\mathrm{468913}}^1$

素因数の和:468923

約数の個数: 18

約数和(自身を含む): 42671174

約数和(自身を除く): 25790306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 468913, 937826, 1406739, 1875652, 2813478, 4220217, 5626956, 8440434, 16880868]

約数ペア:

[(1, 16880868), (2, 8440434), (3, 5626956), (4, 4220217), (6, 2813478), (9, 1875652), (12, 1406739), (18, 937826), (36, 468913)]