19692725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 27230400

約数和(自身を除く): 7537675

約数列:

[1, 5, 13, 25, 59, 65, 79, 169, 295, 325, 395, 767, 845, 1027, 1475, 1975, 3835, 4225, 4661, 5135, 9971, 13351, 19175, 23305, 25675, 49855, 60593, 66755, 116525, 249275, 302965, 333775, 787709, 1514825, 3938545, 19692725]

約数ペア:

[(1, 19692725), (5, 3938545), (13, 1514825), (25, 787709), (59, 333775), (65, 302965), (79, 249275), (169, 116525), (295, 66755), (325, 60593), (395, 49855), (767, 25675), (845, 23305), (1027, 19175), (1475, 13351), (1975, 9971), (3835, 5135), (4225, 4661)]