19472967

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12653}}^1$

素因数の和:12684

約数の個数: 20

約数和(自身を含む): 30622680

約数和(自身を除く): 11149713

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12653, 37959, 113877, 240407, 341631, 721221, 1024893, 2163663, 6490989, 19472967]

約数ペア:

[(1, 19472967), (3, 6490989), (9, 2163663), (19, 1024893), (27, 721221), (57, 341631), (81, 240407), (171, 113877), (513, 37959), (1539, 12653)]