19873589135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1\times {\mathrm{4127}}^1$

素因数の和:4643

約数の個数: 32

約数和(自身を含む): 25477949952

約数和(自身を除く): 5604360817

約数列:

[1, 5, 17, 85, 181, 313, 905, 1565, 3077, 4127, 5321, 15385, 20635, 26605, 56653, 70159, 283265, 350795, 746987, 963101, 1291751, 3734935, 4815505, 6458755, 12698779, 21959767, 63493895, 109798835, 233806931, 1169034655, 3974717827, 19873589135]

約数ペア:

[(1, 19873589135), (5, 3974717827), (17, 1169034655), (85, 233806931), (181, 109798835), (313, 63493895), (905, 21959767), (1565, 12698779), (3077, 6458755), (4127, 4815505), (5321, 3734935), (15385, 1291751), (20635, 963101), (26605, 746987), (56653, 350795), (70159, 283265)]