18758529

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{673}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 28739360

約数和(自身を除く): 9980831

約数列:

[1, 3, 9, 19, 57, 163, 171, 489, 673, 1467, 2019, 3097, 6057, 9291, 12787, 27873, 38361, 109699, 115083, 329097, 987291, 2084281, 6252843, 18758529]

約数ペア:

[(1, 18758529), (3, 6252843), (9, 2084281), (19, 987291), (57, 329097), (163, 115083), (171, 109699), (489, 38361), (673, 27873), (1467, 12787), (2019, 9291), (3097, 6057)]