19880822

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:608

約数の個数: 24

約数和(自身を含む): 32610600

約数和(自身を除く): 12729778

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 449, 898, 1703, 3406, 5837, 11674, 22139, 44278, 58819, 75881, 117638, 151762, 764647, 1529294, 9940411, 19880822]

約数ペア:

[(1, 19880822), (2, 9940411), (13, 1529294), (26, 764647), (131, 151762), (169, 117638), (262, 75881), (338, 58819), (449, 44278), (898, 22139), (1703, 11674), (3406, 5837)]