19908202

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1597}}^1$

素因数の和:1893

約数の個数: 16

約数和(自身を含む): 31295232

約数和(自身を除く): 11387030

約数列:

[1, 2, 23, 46, 271, 542, 1597, 3194, 6233, 12466, 36731, 73462, 432787, 865574, 9954101, 19908202]

約数ペア:

[(1, 19908202), (2, 9954101), (23, 865574), (46, 432787), (271, 73462), (542, 36731), (1597, 12466), (3194, 6233)]