18839312

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1181}}^1$

素因数の和:2186

約数の個数: 20

約数和(自身を含む): 36568716

約数和(自身を除く): 17729404

約数列:

[1, 2, 4, 8, 16, 997, 1181, 1994, 2362, 3988, 4724, 7976, 9448, 15952, 18896, 1177457, 2354914, 4709828, 9419656, 18839312]

約数ペア:

[(1, 18839312), (2, 9419656), (4, 4709828), (8, 2354914), (16, 1177457), (997, 18896), (1181, 15952), (1994, 9448), (2362, 7976), (3988, 4724)]