20119252

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13933}}^1$

素因数の和:13975

約数の個数: 18

約数和(自身を含む): 37161978

約数和(自身を除く): 17042726

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13933, 27866, 55732, 264727, 529454, 1058908, 5029813, 10059626, 20119252]

約数ペア:

[(1, 20119252), (2, 10059626), (4, 5029813), (19, 1058908), (38, 529454), (76, 264727), (361, 55732), (722, 27866), (1444, 13933)]