19057701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 28804608

約数和(自身を除く): 9746907

約数列:

[1, 3, 13, 37, 39, 47, 111, 141, 281, 481, 611, 843, 1443, 1739, 1833, 3653, 5217, 10397, 10959, 13207, 22607, 31191, 39621, 67821, 135161, 171691, 405483, 488659, 515073, 1465977, 6352567, 19057701]

約数ペア:

[(1, 19057701), (3, 6352567), (13, 1465977), (37, 515073), (39, 488659), (47, 405483), (111, 171691), (141, 135161), (281, 67821), (481, 39621), (611, 31191), (843, 22607), (1443, 13207), (1739, 10959), (1833, 10397), (3653, 5217)]