18747157

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4284

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 3993323

約数列:

[1, 11, 13, 31, 143, 341, 403, 4229, 4433, 46519, 54977, 131099, 604747, 1442089, 1704287, 18747157]

約数ペア:

[(1, 18747157), (11, 1704287), (13, 1442089), (31, 604747), (143, 131099), (341, 54977), (403, 46519), (4229, 4433)]