19087245

素因数分解:

$3^4\times 5^1\times {\mathrm{47129}}^1$

素因数の和:47146

約数の個数: 20

約数和(自身を含む): 34216380

約数和(自身を除く): 15129135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47129, 141387, 235645, 424161, 706935, 1272483, 2120805, 3817449, 6362415, 19087245]

約数ペア:

[(1, 19087245), (3, 6362415), (5, 3817449), (9, 2120805), (15, 1272483), (27, 706935), (45, 424161), (81, 235645), (135, 141387), (405, 47129)]