19802538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157163}}^1$

素因数の和:157178

約数の個数: 24

約数和(自身を含む): 49035168

約数和(自身を除く): 29232630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157163, 314326, 471489, 942978, 1100141, 1414467, 2200282, 2828934, 3300423, 6600846, 9901269, 19802538]

約数ペア:

[(1, 19802538), (2, 9901269), (3, 6600846), (6, 3300423), (7, 2828934), (9, 2200282), (14, 1414467), (18, 1100141), (21, 942978), (42, 471489), (63, 314326), (126, 157163)]