19993932

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 40486068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 84, 106, 108, 126, 159, 189, 212, 252, 318, 371, 378, 477, 499, 636, 742, 756, 954, 998, 1113, 1431, 1484, 1497, 1908, 1996, 2226, 2862, 2994, 3339, 3493, 4452, 4491, 5724, 5988, 6678, 6986, 8982, 10017, 10479, 13356, 13473, 13972, 17964, 20034, 20958, 26447, 26946, 31437, 40068, 41916, 52894, 53892, 62874, 79341, 94311, 105788, 125748, 158682, 185129, 188622, 238023, 317364, 370258, 377244, 476046, 555387, 714069, 740516, 952092, 1110774, 1428138, 1666161, 2221548, 2856276, 3332322, 4998483, 6664644, 9996966, 19993932]

約数ペア:

[(1, 19993932), (2, 9996966), (3, 6664644), (4, 4998483), (6, 3332322), (7, 2856276), (9, 2221548), (12, 1666161), (14, 1428138), (18, 1110774), (21, 952092), (27, 740516), (28, 714069), (36, 555387), (42, 476046), (53, 377244), (54, 370258), (63, 317364), (84, 238023), (106, 188622), (108, 185129), (126, 158682), (159, 125748), (189, 105788), (212, 94311), (252, 79341), (318, 62874), (371, 53892), (378, 52894), (477, 41916), (499, 40068), (636, 31437), (742, 26946), (756, 26447), (954, 20958), (998, 20034), (1113, 17964), (1431, 13972), (1484, 13473), (1497, 13356), (1908, 10479), (1996, 10017), (2226, 8982), (2862, 6986), (2994, 6678), (3339, 5988), (3493, 5724), (4452, 4491)]