19421853

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13687}}^1$

素因数の和:13744

約数の個数: 16

約数和(自身を含む): 28909056

約数和(自身を除く): 9487203

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13687, 41061, 150557, 451671, 588541, 1765623, 6473951, 19421853]

約数ペア:

[(1, 19421853), (3, 6473951), (11, 1765623), (33, 588541), (43, 451671), (129, 150557), (473, 41061), (1419, 13687)]