18319677

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 8291523

約数列:

[1, 3, 29, 43, 59, 83, 87, 129, 177, 249, 1247, 1711, 2407, 2537, 3569, 3741, 4897, 5133, 7221, 7611, 10707, 14691, 73573, 103501, 142013, 210571, 220719, 310503, 426039, 631713, 6106559, 18319677]

約数ペア:

[(1, 18319677), (3, 6106559), (29, 631713), (43, 426039), (59, 310503), (83, 220719), (87, 210571), (129, 142013), (177, 103501), (249, 73573), (1247, 14691), (1711, 10707), (2407, 7611), (2537, 7221), (3569, 5133), (3741, 4897)]