19228263

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 26190336

約数和(自身を除く): 6962073

約数列:

[1, 3, 67, 201, 271, 353, 813, 1059, 18157, 23651, 54471, 70953, 95663, 286989, 6409421, 19228263]

約数ペア:

[(1, 19228263), (3, 6409421), (67, 286989), (201, 95663), (271, 70953), (353, 54471), (813, 23651), (1059, 18157)]