19840408

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 46368000

約数和(自身を除く): 26527592

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 152, 203, 232, 266, 406, 532, 551, 643, 812, 1064, 1102, 1286, 1624, 2204, 2572, 3857, 4408, 4501, 5144, 7714, 9002, 12217, 15428, 18004, 18647, 24434, 30856, 36008, 37294, 48868, 74588, 85519, 97736, 130529, 149176, 171038, 261058, 342076, 354293, 522116, 684152, 708586, 1044232, 1417172, 2480051, 2834344, 4960102, 9920204, 19840408]

約数ペア:

[(1, 19840408), (2, 9920204), (4, 4960102), (7, 2834344), (8, 2480051), (14, 1417172), (19, 1044232), (28, 708586), (29, 684152), (38, 522116), (56, 354293), (58, 342076), (76, 261058), (116, 171038), (133, 149176), (152, 130529), (203, 97736), (232, 85519), (266, 74588), (406, 48868), (532, 37294), (551, 36008), (643, 30856), (812, 24434), (1064, 18647), (1102, 18004), (1286, 15428), (1624, 12217), (2204, 9002), (2572, 7714), (3857, 5144), (4408, 4501)]