15940872

素因数分解:

$2^3\times 3^2\times {\mathrm{221401}}^1$

素因数の和:221413

約数の個数: 24

約数和(自身を含む): 43173390

約数和(自身を除く): 27232518

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 221401, 442802, 664203, 885604, 1328406, 1771208, 1992609, 2656812, 3985218, 5313624, 7970436, 15940872]

約数ペア:

[(1, 15940872), (2, 7970436), (3, 5313624), (4, 3985218), (6, 2656812), (8, 1992609), (9, 1771208), (12, 1328406), (18, 885604), (24, 664203), (36, 442802), (72, 221401)]