19444874

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 30790944

約数和(自身を除く): 11346070

約数列:

[1, 2, 31, 62, 67, 134, 151, 302, 961, 1922, 2077, 4154, 4681, 9362, 10117, 20234, 64387, 128774, 145111, 290222, 313627, 627254, 9722437, 19444874]

約数ペア:

[(1, 19444874), (2, 9722437), (31, 627254), (62, 313627), (67, 290222), (134, 145111), (151, 128774), (302, 64387), (961, 20234), (1922, 10117), (2077, 9362), (4154, 4681)]