19051856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 38711808

約数和(自身を除く): 19659952

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 541, 568, 1082, 1136, 2164, 2201, 4328, 4402, 8656, 8804, 16771, 17608, 33542, 35216, 38411, 67084, 76822, 134168, 153644, 268336, 307288, 614576, 1190741, 2381482, 4762964, 9525928, 19051856]

約数ペア:

[(1, 19051856), (2, 9525928), (4, 4762964), (8, 2381482), (16, 1190741), (31, 614576), (62, 307288), (71, 268336), (124, 153644), (142, 134168), (248, 76822), (284, 67084), (496, 38411), (541, 35216), (568, 33542), (1082, 17608), (1136, 16771), (2164, 8804), (2201, 8656), (4328, 4402)]