18053776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 40466160

約数和(自身を除く): 22412384

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 41, 52, 58, 73, 82, 104, 116, 146, 164, 208, 232, 292, 328, 377, 464, 533, 584, 656, 754, 949, 1066, 1168, 1189, 1508, 1898, 2117, 2132, 2378, 2993, 3016, 3796, 4234, 4264, 4756, 5986, 6032, 7592, 8468, 8528, 9512, 11972, 15184, 15457, 16936, 19024, 23944, 27521, 30914, 33872, 38909, 47888, 55042, 61828, 77818, 86797, 110084, 123656, 155636, 173594, 220168, 247312, 311272, 347188, 440336, 622544, 694376, 1128361, 1388752, 2256722, 4513444, 9026888, 18053776]

約数ペア:

[(1, 18053776), (2, 9026888), (4, 4513444), (8, 2256722), (13, 1388752), (16, 1128361), (26, 694376), (29, 622544), (41, 440336), (52, 347188), (58, 311272), (73, 247312), (82, 220168), (104, 173594), (116, 155636), (146, 123656), (164, 110084), (208, 86797), (232, 77818), (292, 61828), (328, 55042), (377, 47888), (464, 38909), (533, 33872), (584, 30914), (656, 27521), (754, 23944), (949, 19024), (1066, 16936), (1168, 15457), (1189, 15184), (1508, 11972), (1898, 9512), (2117, 8528), (2132, 8468), (2378, 7592), (2993, 6032), (3016, 5986), (3796, 4756), (4234, 4264)]