18257008

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 47072880

約数和(自身を除く): 28815872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 49, 56, 58, 73, 77, 88, 98, 112, 116, 146, 154, 176, 196, 203, 232, 292, 308, 319, 392, 406, 464, 511, 539, 584, 616, 638, 784, 803, 812, 1022, 1078, 1168, 1232, 1276, 1421, 1606, 1624, 2044, 2117, 2156, 2233, 2552, 2842, 3212, 3248, 3577, 4088, 4234, 4312, 4466, 5104, 5621, 5684, 6424, 7154, 8176, 8468, 8624, 8932, 11242, 11368, 12848, 14308, 14819, 15631, 16936, 17864, 22484, 22736, 23287, 28616, 29638, 31262, 33872, 35728, 39347, 44968, 46574, 57232, 59276, 62524, 78694, 89936, 93148, 103733, 118552, 125048, 157388, 163009, 186296, 207466, 237104, 250096, 314776, 326018, 372592, 414932, 629552, 652036, 829864, 1141063, 1304072, 1659728, 2282126, 2608144, 4564252, 9128504, 18257008]

約数ペア:

[(1, 18257008), (2, 9128504), (4, 4564252), (7, 2608144), (8, 2282126), (11, 1659728), (14, 1304072), (16, 1141063), (22, 829864), (28, 652036), (29, 629552), (44, 414932), (49, 372592), (56, 326018), (58, 314776), (73, 250096), (77, 237104), (88, 207466), (98, 186296), (112, 163009), (116, 157388), (146, 125048), (154, 118552), (176, 103733), (196, 93148), (203, 89936), (232, 78694), (292, 62524), (308, 59276), (319, 57232), (392, 46574), (406, 44968), (464, 39347), (511, 35728), (539, 33872), (584, 31262), (616, 29638), (638, 28616), (784, 23287), (803, 22736), (812, 22484), (1022, 17864), (1078, 16936), (1168, 15631), (1232, 14819), (1276, 14308), (1421, 12848), (1606, 11368), (1624, 11242), (2044, 8932), (2117, 8624), (2156, 8468), (2233, 8176), (2552, 7154), (2842, 6424), (3212, 5684), (3248, 5621), (3577, 5104), (4088, 4466), (4234, 4312)]