19381310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149087}}^1$

素因数の和:149107

約数の個数: 16

約数和(自身を含む): 37570176

約数和(自身を除く): 18188866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149087, 298174, 745435, 1490870, 1938131, 3876262, 9690655, 19381310]

約数ペア:

[(1, 19381310), (2, 9690655), (5, 3876262), (10, 1938131), (13, 1490870), (26, 745435), (65, 298174), (130, 149087)]