18745116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 47585664

約数和(自身を除く): 28840548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1123, 1284, 1391, 2246, 2782, 3369, 4173, 4492, 5564, 6738, 8346, 13476, 14599, 16692, 29198, 43797, 58396, 87594, 120161, 175188, 240322, 360483, 480644, 720966, 1441932, 1562093, 3124186, 4686279, 6248372, 9372558, 18745116]

約数ペア:

[(1, 18745116), (2, 9372558), (3, 6248372), (4, 4686279), (6, 3124186), (12, 1562093), (13, 1441932), (26, 720966), (39, 480644), (52, 360483), (78, 240322), (107, 175188), (156, 120161), (214, 87594), (321, 58396), (428, 43797), (642, 29198), (1123, 16692), (1284, 14599), (1391, 13476), (2246, 8346), (2782, 6738), (3369, 5564), (4173, 4492)]