19910080587

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{2749}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 29937600000

約数和(自身を除く): 10027519413

約数列:

[1, 3, 17, 29, 51, 59, 83, 87, 177, 249, 493, 1003, 1411, 1479, 1711, 2407, 2749, 3009, 4233, 4897, 5133, 7221, 8247, 14691, 29087, 40919, 46733, 79721, 83249, 87261, 122757, 140199, 142013, 162191, 228167, 239163, 249747, 426039, 486573, 684501, 1355257, 2414221, 2757247, 3878839, 4065771, 4703539, 6616843, 7242663, 8271741, 11636517, 13461853, 14110617, 19850529, 40385559, 79960163, 112486331, 228851501, 239880489, 337458993, 390393737, 686554503, 1171181211, 6636693529, 19910080587]

約数ペア:

[(1, 19910080587), (3, 6636693529), (17, 1171181211), (29, 686554503), (51, 390393737), (59, 337458993), (83, 239880489), (87, 228851501), (177, 112486331), (249, 79960163), (493, 40385559), (1003, 19850529), (1411, 14110617), (1479, 13461853), (1711, 11636517), (2407, 8271741), (2749, 7242663), (3009, 6616843), (4233, 4703539), (4897, 4065771), (5133, 3878839), (7221, 2757247), (8247, 2414221), (14691, 1355257), (29087, 684501), (40919, 486573), (46733, 426039), (79721, 249747), (83249, 239163), (87261, 228167), (122757, 162191), (140199, 142013)]