2019937424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1480

約数の個数: 80

約数和(自身を含む): 4249132800

約数和(自身を除く): 2229195376

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 109, 152, 188, 218, 304, 376, 436, 752, 872, 893, 1297, 1744, 1786, 2071, 2594, 3572, 4142, 5123, 5188, 7144, 8284, 10246, 10376, 14288, 16568, 20492, 20752, 24643, 33136, 40984, 49286, 60959, 81968, 97337, 98572, 121918, 141373, 194674, 197144, 243836, 282746, 389348, 394288, 487672, 565492, 778696, 975344, 1130984, 1158221, 1557392, 2261968, 2316442, 2686087, 4632884, 5372174, 6644531, 9265768, 10744348, 13289062, 18531536, 21488696, 26578124, 42977392, 53156248, 106312496, 126246089, 252492178, 504984356, 1009968712, 2019937424]

約数ペア:

[(1, 2019937424), (2, 1009968712), (4, 504984356), (8, 252492178), (16, 126246089), (19, 106312496), (38, 53156248), (47, 42977392), (76, 26578124), (94, 21488696), (109, 18531536), (152, 13289062), (188, 10744348), (218, 9265768), (304, 6644531), (376, 5372174), (436, 4632884), (752, 2686087), (872, 2316442), (893, 2261968), (1297, 1557392), (1744, 1158221), (1786, 1130984), (2071, 975344), (2594, 778696), (3572, 565492), (4142, 487672), (5123, 394288), (5188, 389348), (7144, 282746), (8284, 243836), (10246, 197144), (10376, 194674), (14288, 141373), (16568, 121918), (20492, 98572), (20752, 97337), (24643, 81968), (33136, 60959), (40984, 49286)]