12971718

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18132282

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 94, 114, 141, 171, 269, 282, 342, 423, 513, 538, 807, 846, 893, 1026, 1269, 1614, 1786, 2421, 2538, 2679, 4842, 5111, 5358, 7263, 8037, 10222, 12643, 14526, 15333, 16074, 24111, 25286, 30666, 37929, 45999, 48222, 75858, 91998, 113787, 137997, 227574, 240217, 275994, 341361, 480434, 682722, 720651, 1441302, 2161953, 4323906, 6485859, 12971718]

約数ペア:

[(1, 12971718), (2, 6485859), (3, 4323906), (6, 2161953), (9, 1441302), (18, 720651), (19, 682722), (27, 480434), (38, 341361), (47, 275994), (54, 240217), (57, 227574), (94, 137997), (114, 113787), (141, 91998), (171, 75858), (269, 48222), (282, 45999), (342, 37929), (423, 30666), (513, 25286), (538, 24111), (807, 16074), (846, 15333), (893, 14526), (1026, 12643), (1269, 10222), (1614, 8037), (1786, 7263), (2421, 5358), (2538, 5111), (2679, 4842)]