19922853

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1669}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 27895680

約数和(自身を除く): 7972827

約数列:

[1, 3, 23, 69, 173, 519, 1669, 3979, 5007, 11937, 38387, 115161, 288737, 866211, 6640951, 19922853]

約数ペア:

[(1, 19922853), (3, 6640951), (23, 866211), (69, 288737), (173, 115161), (519, 38387), (1669, 11937), (3979, 5007)]