19926495

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1723}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 34693776

約数和(自身を除く): 14767281

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 1723, 2313, 3855, 5169, 8615, 11565, 15507, 25845, 77535, 442811, 1328433, 2214055, 3985299, 6642165, 19926495]

約数ペア:

[(1, 19926495), (3, 6642165), (5, 3985299), (9, 2214055), (15, 1328433), (45, 442811), (257, 77535), (771, 25845), (1285, 15507), (1723, 11565), (2313, 8615), (3855, 5169)]