2019423161

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{19507}}^1$

素因数の和:20180

約数の個数: 16

約数和(自身を含む): 2412125184

約数和(自身を除く): 392702023

約数列:

[1, 7, 23, 161, 643, 4501, 14789, 19507, 103523, 136549, 448661, 3140627, 12543001, 87801007, 288489023, 2019423161]

約数ペア:

[(1, 2019423161), (7, 288489023), (23, 87801007), (161, 12543001), (643, 3140627), (4501, 448661), (14789, 136549), (19507, 103523)]