1999331354

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{64399}}^1$

素因数の和:64482

約数の個数: 24

約数和(自身を含む): 3238804800

約数和(自身を除く): 1239473446

約数列:

[1, 2, 19, 38, 43, 86, 361, 722, 817, 1634, 15523, 31046, 64399, 128798, 1223581, 2447162, 2769157, 5538314, 23248039, 46496078, 52613983, 105227966, 999665677, 1999331354]

約数ペア:

[(1, 1999331354), (2, 999665677), (19, 105227966), (38, 52613983), (43, 46496078), (86, 23248039), (361, 5538314), (722, 2769157), (817, 2447162), (1634, 1223581), (15523, 128798), (31046, 64399)]