31018716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 83538000

約数和(自身を除く): 52519284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 101, 114, 171, 202, 228, 303, 342, 404, 449, 606, 684, 898, 909, 1212, 1347, 1796, 1818, 1919, 2694, 3636, 3838, 4041, 5388, 5757, 7676, 8082, 8531, 11514, 16164, 17062, 17271, 23028, 25593, 34124, 34542, 45349, 51186, 69084, 76779, 90698, 102372, 136047, 153558, 181396, 272094, 307116, 408141, 544188, 816282, 861631, 1632564, 1723262, 2584893, 3446524, 5169786, 7754679, 10339572, 15509358, 31018716]

約数ペア:

[(1, 31018716), (2, 15509358), (3, 10339572), (4, 7754679), (6, 5169786), (9, 3446524), (12, 2584893), (18, 1723262), (19, 1632564), (36, 861631), (38, 816282), (57, 544188), (76, 408141), (101, 307116), (114, 272094), (171, 181396), (202, 153558), (228, 136047), (303, 102372), (342, 90698), (404, 76779), (449, 69084), (606, 51186), (684, 45349), (898, 34542), (909, 34124), (1212, 25593), (1347, 23028), (1796, 17271), (1818, 17062), (1919, 16164), (2694, 11514), (3636, 8531), (3838, 8082), (4041, 7676), (5388, 5757)]