19822792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2637

約数の個数: 32

約数和(自身を含む): 41018400

約数和(自身を除く): 21195608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2531, 3916, 5062, 7832, 10124, 20248, 27841, 55682, 111364, 222728, 225259, 450518, 901036, 1802072, 2477849, 4955698, 9911396, 19822792]

約数ペア:

[(1, 19822792), (2, 9911396), (4, 4955698), (8, 2477849), (11, 1802072), (22, 901036), (44, 450518), (88, 225259), (89, 222728), (178, 111364), (356, 55682), (712, 27841), (979, 20248), (1958, 10124), (2531, 7832), (3916, 5062)]