2018777988

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 5000776704

約数和(自身を除く): 2981998716

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 107, 138, 197, 214, 276, 321, 347, 394, 428, 591, 642, 694, 788, 1041, 1182, 1284, 1388, 2082, 2364, 2461, 4164, 4531, 4922, 7383, 7981, 9062, 9844, 13593, 14766, 15962, 18124, 21079, 23943, 27186, 29532, 31924, 37129, 42158, 47886, 54372, 63237, 68359, 74258, 84316, 95772, 111387, 126474, 136718, 148516, 205077, 222774, 252948, 273436, 410154, 445548, 484817, 820308, 853967, 969634, 1454451, 1572257, 1707934, 1939268, 2561901, 2908902, 3144514, 3415868, 4716771, 5123802, 5817804, 6289028, 7314413, 9433542, 10247604, 14628826, 18867084, 21943239, 29257652, 43886478, 87772956, 168231499, 336462998, 504694497, 672925996, 1009388994, 2018777988]

約数ペア:

[(1, 2018777988), (2, 1009388994), (3, 672925996), (4, 504694497), (6, 336462998), (12, 168231499), (23, 87772956), (46, 43886478), (69, 29257652), (92, 21943239), (107, 18867084), (138, 14628826), (197, 10247604), (214, 9433542), (276, 7314413), (321, 6289028), (347, 5817804), (394, 5123802), (428, 4716771), (591, 3415868), (642, 3144514), (694, 2908902), (788, 2561901), (1041, 1939268), (1182, 1707934), (1284, 1572257), (1388, 1454451), (2082, 969634), (2364, 853967), (2461, 820308), (4164, 484817), (4531, 445548), (4922, 410154), (7383, 273436), (7981, 252948), (9062, 222774), (9844, 205077), (13593, 148516), (14766, 136718), (15962, 126474), (18124, 111387), (21079, 95772), (23943, 84316), (27186, 74258), (29532, 68359), (31924, 63237), (37129, 54372), (42158, 47886)]