19974074

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2399}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 11475526

約数列:

[1, 2, 23, 46, 181, 362, 2399, 4163, 4798, 8326, 55177, 110354, 434219, 868438, 9987037, 19974074]

約数ペア:

[(1, 19974074), (2, 9987037), (23, 868438), (46, 434219), (181, 110354), (362, 55177), (2399, 8326), (4163, 4798)]