18915673869

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{158371}}^1$

素因数の和:158977

約数の個数: 24

約数和(自身を含む): 28560172992

約数和(自身を除く): 9644499123

約数列:

[1, 3, 9, 23, 69, 207, 577, 1731, 5193, 13271, 39813, 119439, 158371, 475113, 1425339, 3642533, 10927599, 32782797, 91380067, 274140201, 822420603, 2101741541, 6305224623, 18915673869]

約数ペア:

[(1, 18915673869), (3, 6305224623), (9, 2101741541), (23, 822420603), (69, 274140201), (207, 91380067), (577, 32782797), (1731, 10927599), (5193, 3642533), (13271, 1425339), (39813, 475113), (119439, 158371)]