18970101

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{811}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 28881216

約数和(自身を除く): 9911115

約数列:

[1, 3, 9, 23, 69, 113, 207, 339, 811, 1017, 2433, 2599, 7299, 7797, 18653, 23391, 55959, 91643, 167877, 274929, 824787, 2107789, 6323367, 18970101]

約数ペア:

[(1, 18970101), (3, 6323367), (9, 2107789), (23, 824787), (69, 274929), (113, 167877), (207, 91643), (339, 55959), (811, 23391), (1017, 18653), (2433, 7797), (2599, 7299)]