19559556

素因数分解:

$2^2\times 3^5\times {\mathrm{20123}}^1$

素因数の和:20142

約数の個数: 36

約数和(自身を含む): 51275952

約数和(自身を除く): 31716396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20123, 40246, 60369, 80492, 120738, 181107, 241476, 362214, 543321, 724428, 1086642, 1629963, 2173284, 3259926, 4889889, 6519852, 9779778, 19559556]

約数ペア:

[(1, 19559556), (2, 9779778), (3, 6519852), (4, 4889889), (6, 3259926), (9, 2173284), (12, 1629963), (18, 1086642), (27, 724428), (36, 543321), (54, 362214), (81, 241476), (108, 181107), (162, 120738), (243, 80492), (324, 60369), (486, 40246), (972, 20123)]