19756269

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:482

約数の個数: 36

約数和(自身を含む): 31973760

約数和(自身を除く): 12217491

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 403, 419, 507, 1209, 1257, 1521, 3627, 3771, 5239, 5447, 12989, 15717, 16341, 38967, 47151, 49023, 70811, 116901, 168857, 212433, 506571, 637299, 1519713, 2195141, 6585423, 19756269]

約数ペア:

[(1, 19756269), (3, 6585423), (9, 2195141), (13, 1519713), (31, 637299), (39, 506571), (93, 212433), (117, 168857), (169, 116901), (279, 70811), (403, 49023), (419, 47151), (507, 38967), (1209, 16341), (1257, 15717), (1521, 12989), (3627, 5447), (3771, 5239)]