18949557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{19801}}^1$

素因数の和:19844

約数の個数: 16

約数和(自身を含む): 28514880

約数和(自身を除く): 9565323

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 19801, 59403, 217811, 574229, 653433, 1722687, 6316519, 18949557]

約数ペア:

[(1, 18949557), (3, 6316519), (11, 1722687), (29, 653433), (33, 574229), (87, 217811), (319, 59403), (957, 19801)]