19799493

素因数分解:

$3^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1657}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 30241920

約数和(自身を除く): 10442427

約数列:

[1, 3, 7, 21, 569, 1657, 1707, 3983, 4971, 11599, 11949, 34797, 942833, 2828499, 6599831, 19799493]

約数ペア:

[(1, 19799493), (3, 6599831), (7, 2828499), (21, 942833), (569, 34797), (1657, 11949), (1707, 11599), (3983, 4971)]