19747130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151901}}^1$

素因数の和:151921

約数の個数: 16

約数和(自身を含む): 38279304

約数和(自身を除く): 18532174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151901, 303802, 759505, 1519010, 1974713, 3949426, 9873565, 19747130]

約数ペア:

[(1, 19747130), (2, 9873565), (5, 3949426), (10, 1974713), (13, 1519010), (26, 759505), (65, 303802), (130, 151901)]