19995459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1163}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 29165184

約数和(自身を除く): 9169725

約数列:

[1, 3, 11, 33, 521, 1163, 1563, 3489, 5731, 12793, 17193, 38379, 605923, 1817769, 6665153, 19995459]

約数ペア:

[(1, 19995459), (3, 6665153), (11, 1817769), (33, 605923), (521, 38379), (1163, 17193), (1563, 12793), (3489, 5731)]