18109905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2677}}^1$

素因数の和:2737

約数の個数: 32

約数和(自身を含む): 32393088

約数和(自身を除く): 14283183

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 2677, 6765, 8031, 13385, 29447, 40155, 88341, 109757, 147235, 329271, 441705, 548785, 1207327, 1646355, 3621981, 6036635, 18109905]

約数ペア:

[(1, 18109905), (3, 6036635), (5, 3621981), (11, 1646355), (15, 1207327), (33, 548785), (41, 441705), (55, 329271), (123, 147235), (165, 109757), (205, 88341), (451, 40155), (615, 29447), (1353, 13385), (2255, 8031), (2677, 6765)]