18621567455

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{1307}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 22910195520

約数和(自身を除く): 4288628065

約数列:

[1, 5, 89, 101, 317, 445, 505, 1307, 1585, 6535, 8989, 28213, 32017, 44945, 116323, 132007, 141065, 160085, 414319, 581615, 660035, 2071595, 2849513, 11748623, 14247565, 36874391, 41846219, 58743115, 184371955, 209231095, 3724313491, 18621567455]

約数ペア:

[(1, 18621567455), (5, 3724313491), (89, 209231095), (101, 184371955), (317, 58743115), (445, 41846219), (505, 36874391), (1307, 14247565), (1585, 11748623), (6535, 2849513), (8989, 2071595), (28213, 660035), (32017, 581615), (44945, 414319), (116323, 160085), (132007, 141065)]