19974852

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 56167020

約数和(自身を除く): 36192168

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 53, 57, 58, 76, 87, 106, 114, 116, 159, 171, 174, 212, 228, 261, 318, 342, 348, 361, 477, 522, 551, 636, 684, 722, 954, 1007, 1044, 1083, 1102, 1444, 1537, 1653, 1908, 2014, 2166, 2204, 3021, 3074, 3249, 3306, 4028, 4332, 4611, 4959, 6042, 6148, 6498, 6612, 9063, 9222, 9918, 10469, 12084, 12996, 13833, 18126, 18444, 19133, 19836, 20938, 27666, 29203, 31407, 36252, 38266, 41876, 55332, 57399, 58406, 62814, 76532, 87609, 94221, 114798, 116812, 125628, 172197, 175218, 188442, 229596, 262827, 344394, 350436, 376884, 525654, 554857, 688788, 1051308, 1109714, 1664571, 2219428, 3329142, 4993713, 6658284, 9987426, 19974852]

約数ペア:

[(1, 19974852), (2, 9987426), (3, 6658284), (4, 4993713), (6, 3329142), (9, 2219428), (12, 1664571), (18, 1109714), (19, 1051308), (29, 688788), (36, 554857), (38, 525654), (53, 376884), (57, 350436), (58, 344394), (76, 262827), (87, 229596), (106, 188442), (114, 175218), (116, 172197), (159, 125628), (171, 116812), (174, 114798), (212, 94221), (228, 87609), (261, 76532), (318, 62814), (342, 58406), (348, 57399), (361, 55332), (477, 41876), (522, 38266), (551, 36252), (636, 31407), (684, 29203), (722, 27666), (954, 20938), (1007, 19836), (1044, 19133), (1083, 18444), (1102, 18126), (1444, 13833), (1537, 12996), (1653, 12084), (1908, 10469), (2014, 9918), (2166, 9222), (2204, 9063), (3021, 6612), (3074, 6498), (3249, 6148), (3306, 6042), (4028, 4959), (4332, 4611)]