18656838

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{7351}}^1$

素因数の和:7409

約数の個数: 32

約数和(自身を含む): 42347520

約数和(自身を除く): 23690682

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 7351, 14702, 22053, 44106, 66159, 132318, 198477, 345497, 396954, 690994, 1036491, 2072982, 3109473, 6218946, 9328419, 18656838]

約数ペア:

[(1, 18656838), (2, 9328419), (3, 6218946), (6, 3109473), (9, 2072982), (18, 1036491), (27, 690994), (47, 396954), (54, 345497), (94, 198477), (141, 132318), (282, 66159), (423, 44106), (846, 22053), (1269, 14702), (2538, 7351)]