18717804

素因数分解:

$2^2\times 3^6\times 7^2\times {\mathrm{131}}^1$

素因数の和:167

約数の個数: 126

約数和(自身を含む): 57566124

約数和(自身を除く): 38848320

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 131, 147, 162, 189, 196, 243, 252, 262, 294, 324, 378, 393, 441, 486, 524, 567, 588, 729, 756, 786, 882, 917, 972, 1134, 1179, 1323, 1458, 1572, 1701, 1764, 1834, 2268, 2358, 2646, 2751, 2916, 3402, 3537, 3668, 3969, 4716, 5103, 5292, 5502, 6419, 6804, 7074, 7938, 8253, 10206, 10611, 11004, 11907, 12838, 14148, 15876, 16506, 19257, 20412, 21222, 23814, 24759, 25676, 31833, 33012, 35721, 38514, 42444, 47628, 49518, 57771, 63666, 71442, 74277, 77028, 95499, 99036, 115542, 127332, 142884, 148554, 173313, 190998, 222831, 231084, 297108, 346626, 381996, 445662, 519939, 668493, 693252, 891324, 1039878, 1336986, 1559817, 2079756, 2673972, 3119634, 4679451, 6239268, 9358902, 18717804]

約数ペア:

[(1, 18717804), (2, 9358902), (3, 6239268), (4, 4679451), (6, 3119634), (7, 2673972), (9, 2079756), (12, 1559817), (14, 1336986), (18, 1039878), (21, 891324), (27, 693252), (28, 668493), (36, 519939), (42, 445662), (49, 381996), (54, 346626), (63, 297108), (81, 231084), (84, 222831), (98, 190998), (108, 173313), (126, 148554), (131, 142884), (147, 127332), (162, 115542), (189, 99036), (196, 95499), (243, 77028), (252, 74277), (262, 71442), (294, 63666), (324, 57771), (378, 49518), (393, 47628), (441, 42444), (486, 38514), (524, 35721), (567, 33012), (588, 31833), (729, 25676), (756, 24759), (786, 23814), (882, 21222), (917, 20412), (972, 19257), (1134, 16506), (1179, 15876), (1323, 14148), (1458, 12838), (1572, 11907), (1701, 11004), (1764, 10611), (1834, 10206), (2268, 8253), (2358, 7938), (2646, 7074), (2751, 6804), (2916, 6419), (3402, 5502), (3537, 5292), (3668, 5103), (3969, 4716)]