18916638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242521}}^1$

素因数の和:242539

約数の個数: 16

約数和(自身を含む): 40743696

約数和(自身を除く): 21827058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242521, 485042, 727563, 1455126, 3152773, 6305546, 9458319, 18916638]

約数ペア:

[(1, 18916638), (2, 9458319), (3, 6305546), (6, 3152773), (13, 1455126), (26, 727563), (39, 485042), (78, 242521)]