19904039

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 2567641

約数列:

[1, 19, 23, 37, 437, 703, 851, 1231, 16169, 23389, 28313, 45547, 537947, 865393, 1047581, 19904039]

約数ペア:

[(1, 19904039), (19, 1047581), (23, 865393), (37, 537947), (437, 45547), (703, 28313), (851, 23389), (1231, 16169)]