18142321

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 19863360

約数和(自身を除く): 1721039

約数列:

[1, 19, 37, 131, 197, 703, 2489, 3743, 4847, 7289, 25807, 92093, 138491, 490333, 954859, 18142321]

約数ペア:

[(1, 18142321), (19, 954859), (37, 490333), (131, 138491), (197, 92093), (703, 25807), (2489, 7289), (3743, 4847)]