19993909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 23054080

約数和(自身を除く): 3060171

約数列:

[1, 13, 19, 61, 247, 793, 1159, 1327, 15067, 17251, 25213, 80947, 327769, 1052311, 1537993, 19993909]

約数ペア:

[(1, 19993909), (13, 1537993), (19, 1052311), (61, 327769), (247, 80947), (793, 25213), (1159, 17251), (1327, 15067)]