19949176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{443}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 40466160

約数和(自身を除く): 20516984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 433, 443, 866, 886, 1732, 1772, 3464, 3544, 5629, 5759, 11258, 11518, 22516, 23036, 45032, 46072, 191819, 383638, 767276, 1534552, 2493647, 4987294, 9974588, 19949176]

約数ペア:

[(1, 19949176), (2, 9974588), (4, 4987294), (8, 2493647), (13, 1534552), (26, 767276), (52, 383638), (104, 191819), (433, 46072), (443, 45032), (866, 23036), (886, 22516), (1732, 11518), (1772, 11258), (3464, 5759), (3544, 5629)]