19705101

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3391}}^1$

素因数の和:3556

約数の個数: 16

約数和(自身を含む): 28492800

約数和(自身を除く): 8787699

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3391, 5811, 10173, 44083, 132249, 505259, 1515777, 6568367, 19705101]

約数ペア:

[(1, 19705101), (3, 6568367), (13, 1515777), (39, 505259), (149, 132249), (447, 44083), (1937, 10173), (3391, 5811)]