12981978

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{12653}}^1$

素因数の和:12683

約数の個数: 32

約数和(自身を含む): 30369600

約数和(自身を除く): 17387622

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 12653, 25306, 37959, 75918, 113877, 227754, 240407, 341631, 480814, 683262, 721221, 1442442, 2163663, 4327326, 6490989, 12981978]

約数ペア:

[(1, 12981978), (2, 6490989), (3, 4327326), (6, 2163663), (9, 1442442), (18, 721221), (19, 683262), (27, 480814), (38, 341631), (54, 240407), (57, 227754), (114, 113877), (171, 75918), (342, 37959), (513, 25306), (1026, 12653)]