18125240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3407}}^1$

素因数の和:3444

約数の個数: 64

約数和(自身を含む): 49075200

約数和(自身を除く): 30949960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3407, 5320, 6814, 13628, 17035, 23849, 27256, 34070, 47698, 64733, 68140, 95396, 119245, 129466, 136280, 190792, 238490, 258932, 323665, 453131, 476980, 517864, 647330, 906262, 953960, 1294660, 1812524, 2265655, 2589320, 3625048, 4531310, 9062620, 18125240]

約数ペア:

[(1, 18125240), (2, 9062620), (4, 4531310), (5, 3625048), (7, 2589320), (8, 2265655), (10, 1812524), (14, 1294660), (19, 953960), (20, 906262), (28, 647330), (35, 517864), (38, 476980), (40, 453131), (56, 323665), (70, 258932), (76, 238490), (95, 190792), (133, 136280), (140, 129466), (152, 119245), (190, 95396), (266, 68140), (280, 64733), (380, 47698), (532, 34070), (665, 27256), (760, 23849), (1064, 17035), (1330, 13628), (2660, 6814), (3407, 5320)]