19368524

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 41664000

約数和(自身を除く): 22295476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 743, 931, 1372, 1486, 1862, 2972, 3724, 5201, 6517, 10402, 13034, 14117, 20804, 26068, 28234, 36407, 56468, 72814, 98819, 145628, 197638, 254849, 395276, 509698, 691733, 1019396, 1383466, 2766932, 4842131, 9684262, 19368524]

約数ペア:

[(1, 19368524), (2, 9684262), (4, 4842131), (7, 2766932), (14, 1383466), (19, 1019396), (28, 691733), (38, 509698), (49, 395276), (76, 254849), (98, 197638), (133, 145628), (196, 98819), (266, 72814), (343, 56468), (532, 36407), (686, 28234), (743, 26068), (931, 20804), (1372, 14117), (1486, 13034), (1862, 10402), (2972, 6517), (3724, 5201)]