19121365

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 23677056

約数和(自身を除く): 4555691

約数列:

[1, 5, 61, 71, 305, 355, 883, 4331, 4415, 21655, 53863, 62693, 269315, 313465, 3824273, 19121365]

約数ペア:

[(1, 19121365), (5, 3824273), (61, 313465), (71, 269315), (305, 62693), (355, 53863), (883, 21655), (4331, 4415)]