19893608

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2710

約数の個数: 48

約数和(自身を含む): 45691200

約数和(自身を除く): 25797592

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2671, 3724, 5342, 7448, 10684, 18697, 21368, 37394, 50749, 74788, 101498, 130879, 149576, 202996, 261758, 355243, 405992, 523516, 710486, 1047032, 1420972, 2486701, 2841944, 4973402, 9946804, 19893608]

約数ペア:

[(1, 19893608), (2, 9946804), (4, 4973402), (7, 2841944), (8, 2486701), (14, 1420972), (19, 1047032), (28, 710486), (38, 523516), (49, 405992), (56, 355243), (76, 261758), (98, 202996), (133, 149576), (152, 130879), (196, 101498), (266, 74788), (392, 50749), (532, 37394), (931, 21368), (1064, 18697), (1862, 10684), (2671, 7448), (3724, 5342)]