18842486

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:656

約数の個数: 24

約数和(自身を含む): 30950424

約数和(自身を除く): 12107938

約数列:

[1, 2, 13, 26, 107, 169, 214, 338, 521, 1042, 1391, 2782, 6773, 13546, 18083, 36166, 55747, 88049, 111494, 176098, 724711, 1449422, 9421243, 18842486]

約数ペア:

[(1, 18842486), (2, 9421243), (13, 1449422), (26, 724711), (107, 176098), (169, 111494), (214, 88049), (338, 55747), (521, 36166), (1042, 18083), (1391, 13546), (2782, 6773)]