20192238157

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{19949}}^1$

素因数の和:20210

約数の個数: 32

約数和(自身を含む): 25472160000

約数和(自身を除く): 5279921843

約数列:

[1, 7, 13, 49, 91, 227, 343, 637, 1589, 2951, 4459, 11123, 19949, 20657, 77861, 139643, 144599, 259337, 977501, 1012193, 1815359, 4528423, 6842507, 12707513, 31698961, 58869499, 88952591, 221892727, 412086493, 1553249089, 2884605451, 20192238157]

約数ペア:

[(1, 20192238157), (7, 2884605451), (13, 1553249089), (49, 412086493), (91, 221892727), (227, 88952591), (343, 58869499), (637, 31698961), (1589, 12707513), (2951, 6842507), (4459, 4528423), (11123, 1815359), (19949, 1012193), (20657, 977501), (77861, 259337), (139643, 144599)]