19943031

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 27168480

約数和(自身を除く): 7225449

約数列:

[1, 3, 89, 113, 267, 339, 661, 1983, 10057, 30171, 58829, 74693, 176487, 224079, 6647677, 19943031]

約数ペア:

[(1, 19943031), (3, 6647677), (89, 224079), (113, 176487), (267, 74693), (339, 58829), (661, 30171), (1983, 10057)]