18969834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{243203}}^1$

素因数の和:243221

約数の個数: 16

約数和(自身を含む): 40858272

約数和(自身を除く): 21888438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 243203, 486406, 729609, 1459218, 3161639, 6323278, 9484917, 18969834]

約数ペア:

[(1, 18969834), (2, 9484917), (3, 6323278), (6, 3161639), (13, 1459218), (26, 729609), (39, 486406), (78, 243203)]