19902774

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144223}}^1$

素因数の和:144251

約数の個数: 16

約数和(自身を含む): 41536512

約数和(自身を除く): 21633738

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144223, 288446, 432669, 865338, 3317129, 6634258, 9951387, 19902774]

約数ペア:

[(1, 19902774), (2, 9951387), (3, 6634258), (6, 3317129), (23, 865338), (46, 432669), (69, 288446), (138, 144223)]