19005116913

素因数分解:

$3^4\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{6247}}^1$

素因数の和:6376

約数の個数: 60

約数和(自身を含む): 30101214528

約数和(自身を除く): 11096097615

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 529, 621, 639, 1587, 1633, 1863, 1917, 4761, 4899, 5751, 6247, 14283, 14697, 18741, 37559, 42849, 44091, 56223, 112677, 132273, 143681, 168669, 338031, 431043, 443537, 506007, 1014093, 1293129, 1330611, 3042279, 3304663, 3879387, 3991833, 9913989, 10201351, 11638161, 11975499, 29741967, 30604053, 35926497, 89225901, 91812159, 234631073, 267677703, 275436477, 703893219, 826309431, 2111679657, 6335038971, 19005116913]

約数ペア:

[(1, 19005116913), (3, 6335038971), (9, 2111679657), (23, 826309431), (27, 703893219), (69, 275436477), (71, 267677703), (81, 234631073), (207, 91812159), (213, 89225901), (529, 35926497), (621, 30604053), (639, 29741967), (1587, 11975499), (1633, 11638161), (1863, 10201351), (1917, 9913989), (4761, 3991833), (4899, 3879387), (5751, 3304663), (6247, 3042279), (14283, 1330611), (14697, 1293129), (18741, 1014093), (37559, 506007), (42849, 443537), (44091, 431043), (56223, 338031), (112677, 168669), (132273, 143681)]