19420701

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 26640000

約数和(自身を除く): 7219299

約数列:

[1, 3, 71, 73, 213, 219, 1249, 3747, 5183, 15549, 88679, 91177, 266037, 273531, 6473567, 19420701]

約数ペア:

[(1, 19420701), (3, 6473567), (71, 273531), (73, 266037), (213, 91177), (219, 88679), (1249, 15549), (3747, 5183)]