19738413

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 9914067

約数列:

[1, 3, 9, 31, 93, 263, 269, 279, 789, 807, 2367, 2421, 8153, 8339, 24459, 25017, 70747, 73377, 75051, 212241, 636723, 2193157, 6579471, 19738413]

約数ペア:

[(1, 19738413), (3, 6579471), (9, 2193157), (31, 636723), (93, 212241), (263, 75051), (269, 73377), (279, 70747), (789, 25017), (807, 24459), (2367, 8339), (2421, 8153)]