19394895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14473905

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1259, 3081, 3777, 5135, 6295, 15405, 16367, 18885, 49101, 81835, 99461, 245505, 298383, 497305, 1292993, 1491915, 3878979, 6464965, 19394895]

約数ペア:

[(1, 19394895), (3, 6464965), (5, 3878979), (13, 1491915), (15, 1292993), (39, 497305), (65, 298383), (79, 245505), (195, 99461), (237, 81835), (395, 49101), (1027, 18885), (1185, 16367), (1259, 15405), (3081, 6295), (3777, 5135)]