19917936

素因数分解:

$2^4\times 3^2\times {\mathrm{138319}}^1$

素因数の和:138333

約数の個数: 30

約数和(自身を含む): 55742960

約数和(自身を除く): 35825024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138319, 276638, 414957, 553276, 829914, 1106552, 1244871, 1659828, 2213104, 2489742, 3319656, 4979484, 6639312, 9958968, 19917936]

約数ペア:

[(1, 19917936), (2, 9958968), (3, 6639312), (4, 4979484), (6, 3319656), (8, 2489742), (9, 2213104), (12, 1659828), (16, 1244871), (18, 1106552), (24, 829914), (36, 553276), (48, 414957), (72, 276638), (144, 138319)]