19801034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11393}}^1$

素因数の和:11485

約数の個数: 16

約数和(自身を含む): 32814720

約数和(自身を除く): 13013686

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 11393, 22786, 125323, 250646, 900047, 1800094, 9900517, 19801034]

約数ペア:

[(1, 19801034), (2, 9900517), (11, 1800094), (22, 900047), (79, 250646), (158, 125323), (869, 22786), (1738, 11393)]