18048987

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 30108672

約数和(自身を除く): 12059685

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 297, 423, 431, 517, 891, 1269, 1293, 1551, 3807, 3879, 4653, 4741, 11637, 13959, 14223, 20257, 34911, 41877, 42669, 60771, 128007, 182313, 222827, 384021, 546939, 668481, 1640817, 2005443, 6016329, 18048987]

約数ペア:

[(1, 18048987), (3, 6016329), (9, 2005443), (11, 1640817), (27, 668481), (33, 546939), (47, 384021), (81, 222827), (99, 182313), (141, 128007), (297, 60771), (423, 42669), (431, 41877), (517, 34911), (891, 20257), (1269, 14223), (1293, 13959), (1551, 11637), (3807, 4741), (3879, 4653)]