18744987

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3803}}^1$

素因数の和:3890

約数の個数: 16

約数和(自身を含む): 26293248

約数和(自身を除く): 7548261

約数列:

[1, 3, 31, 53, 93, 159, 1643, 3803, 4929, 11409, 117893, 201559, 353679, 604677, 6248329, 18744987]

約数ペア:

[(1, 18744987), (3, 6248329), (31, 604677), (53, 353679), (93, 201559), (159, 117893), (1643, 11409), (3803, 4929)]