19863855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40129}}^1$

素因数の和:40151

約数の個数: 24

約数和(自身を含む): 37561680

約数和(自身を除く): 17697825

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40129, 120387, 200645, 361161, 441419, 601935, 1324257, 1805805, 2207095, 3972771, 6621285, 19863855]

約数ペア:

[(1, 19863855), (3, 6621285), (5, 3972771), (9, 2207095), (11, 1805805), (15, 1324257), (33, 601935), (45, 441419), (55, 361161), (99, 200645), (165, 120387), (495, 40129)]