19458660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 62717760

約数和(自身を除く): 43259100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 101, 114, 130, 156, 169, 190, 195, 202, 228, 247, 260, 285, 303, 338, 380, 390, 404, 494, 505, 507, 570, 606, 676, 741, 780, 845, 988, 1010, 1014, 1140, 1212, 1235, 1313, 1482, 1515, 1690, 1919, 2020, 2028, 2470, 2535, 2626, 2964, 3030, 3211, 3380, 3705, 3838, 3939, 4940, 5070, 5252, 5757, 6060, 6422, 6565, 7410, 7676, 7878, 9595, 9633, 10140, 11514, 12844, 13130, 14820, 15756, 16055, 17069, 19190, 19266, 19695, 23028, 24947, 26260, 28785, 32110, 34138, 38380, 38532, 39390, 48165, 49894, 51207, 57570, 64220, 68276, 74841, 78780, 85345, 96330, 99788, 102414, 115140, 124735, 149682, 170690, 192660, 204828, 249470, 256035, 299364, 324311, 341380, 374205, 498940, 512070, 648622, 748410, 972933, 1024140, 1297244, 1496820, 1621555, 1945866, 3243110, 3891732, 4864665, 6486220, 9729330, 19458660]

約数ペア:

[(1, 19458660), (2, 9729330), (3, 6486220), (4, 4864665), (5, 3891732), (6, 3243110), (10, 1945866), (12, 1621555), (13, 1496820), (15, 1297244), (19, 1024140), (20, 972933), (26, 748410), (30, 648622), (38, 512070), (39, 498940), (52, 374205), (57, 341380), (60, 324311), (65, 299364), (76, 256035), (78, 249470), (95, 204828), (101, 192660), (114, 170690), (130, 149682), (156, 124735), (169, 115140), (190, 102414), (195, 99788), (202, 96330), (228, 85345), (247, 78780), (260, 74841), (285, 68276), (303, 64220), (338, 57570), (380, 51207), (390, 49894), (404, 48165), (494, 39390), (505, 38532), (507, 38380), (570, 34138), (606, 32110), (676, 28785), (741, 26260), (780, 24947), (845, 23028), (988, 19695), (1010, 19266), (1014, 19190), (1140, 17069), (1212, 16055), (1235, 15756), (1313, 14820), (1482, 13130), (1515, 12844), (1690, 11514), (1919, 10140), (2020, 9633), (2028, 9595), (2470, 7878), (2535, 7676), (2626, 7410), (2964, 6565), (3030, 6422), (3211, 6060), (3380, 5757), (3705, 5252), (3838, 5070), (3939, 4940)]