18372285

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 34997760

約数和(自身を除く): 16625475

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 61, 69, 97, 115, 135, 183, 207, 291, 305, 345, 485, 549, 621, 873, 915, 1035, 1403, 1455, 1647, 2231, 2619, 2745, 3105, 4209, 4365, 5917, 6693, 7015, 8235, 11155, 12627, 13095, 17751, 20079, 21045, 29585, 33465, 37881, 53253, 60237, 63135, 88755, 100395, 136091, 159759, 189405, 266265, 301185, 408273, 680455, 798795, 1224819, 2041365, 3674457, 6124095, 18372285]

約数ペア:

[(1, 18372285), (3, 6124095), (5, 3674457), (9, 2041365), (15, 1224819), (23, 798795), (27, 680455), (45, 408273), (61, 301185), (69, 266265), (97, 189405), (115, 159759), (135, 136091), (183, 100395), (207, 88755), (291, 63135), (305, 60237), (345, 53253), (485, 37881), (549, 33465), (621, 29585), (873, 21045), (915, 20079), (1035, 17751), (1403, 13095), (1455, 12627), (1647, 11155), (2231, 8235), (2619, 7015), (2745, 6693), (3105, 5917), (4209, 4365)]