18071843

素因数分解:

${\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 19388160

約数和(自身を除く): 1316317

約数列:

[1, 29, 67, 71, 131, 1943, 2059, 3799, 4757, 8777, 9301, 137953, 254533, 269729, 623167, 18071843]

約数ペア:

[(1, 18071843), (29, 623167), (67, 269729), (71, 254533), (131, 137953), (1943, 9301), (2059, 8777), (3799, 4757)]