19880874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{84961}}^1$

素因数の和:84982

約数の個数: 24

約数和(自身を含む): 46389252

約数和(自身を除く): 26508378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 84961, 169922, 254883, 509766, 764649, 1104493, 1529298, 2208986, 3313479, 6626958, 9940437, 19880874]

約数ペア:

[(1, 19880874), (2, 9940437), (3, 6626958), (6, 3313479), (9, 2208986), (13, 1529298), (18, 1104493), (26, 764649), (39, 509766), (78, 254883), (117, 169922), (234, 84961)]