19817368424

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1\times {\mathrm{20747}}^1$

素因数の和:21258

約数の個数: 64

約数和(自身を含む): 43710226560

約数和(自身を除く): 23892858136

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 461, 518, 922, 1036, 1844, 2072, 3227, 3688, 6454, 12908, 17057, 20747, 25816, 34114, 41494, 68228, 82988, 119399, 136456, 145229, 165976, 238798, 290458, 477596, 580916, 767639, 955192, 1161832, 1535278, 3070556, 5373473, 6141112, 9564367, 10746946, 19128734, 21493892, 38257468, 42987784, 66950569, 76514936, 133901138, 267802276, 353881579, 535604552, 707763158, 1415526316, 2477171053, 2831052632, 4954342106, 9908684212, 19817368424]

約数ペア:

[(1, 19817368424), (2, 9908684212), (4, 4954342106), (7, 2831052632), (8, 2477171053), (14, 1415526316), (28, 707763158), (37, 535604552), (56, 353881579), (74, 267802276), (148, 133901138), (259, 76514936), (296, 66950569), (461, 42987784), (518, 38257468), (922, 21493892), (1036, 19128734), (1844, 10746946), (2072, 9564367), (3227, 6141112), (3688, 5373473), (6454, 3070556), (12908, 1535278), (17057, 1161832), (20747, 955192), (25816, 767639), (34114, 580916), (41494, 477596), (68228, 290458), (82988, 238798), (119399, 165976), (136456, 145229)]