19955377

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 22800960

約数和(自身を除く): 2845583

約数列:

[1, 13, 19, 173, 247, 467, 2249, 3287, 6071, 8873, 42731, 80791, 115349, 1050283, 1535029, 19955377]

約数ペア:

[(1, 19955377), (13, 1535029), (19, 1050283), (173, 115349), (247, 80791), (467, 42731), (2249, 8873), (3287, 6071)]