19792864

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1008

約数の個数: 72

約数和(自身を含む): 48866328

約数和(自身を除く): 29073464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 971, 1274, 1456, 1568, 1942, 2548, 2912, 3884, 5096, 6797, 7768, 10192, 12623, 13594, 15536, 20384, 25246, 27188, 31072, 47579, 50492, 54376, 88361, 95158, 100984, 108752, 176722, 190316, 201968, 217504, 353444, 380632, 403936, 618527, 706888, 761264, 1237054, 1413776, 1522528, 2474108, 2827552, 4948216, 9896432, 19792864]

約数ペア:

[(1, 19792864), (2, 9896432), (4, 4948216), (7, 2827552), (8, 2474108), (13, 1522528), (14, 1413776), (16, 1237054), (26, 761264), (28, 706888), (32, 618527), (49, 403936), (52, 380632), (56, 353444), (91, 217504), (98, 201968), (104, 190316), (112, 176722), (182, 108752), (196, 100984), (208, 95158), (224, 88361), (364, 54376), (392, 50492), (416, 47579), (637, 31072), (728, 27188), (784, 25246), (971, 20384), (1274, 15536), (1456, 13594), (1568, 12623), (1942, 10192), (2548, 7768), (2912, 6797), (3884, 5096)]