18104359

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 24174080

約数和(自身を除く): 6069721

約数列:

[1, 7, 13, 19, 37, 91, 133, 247, 259, 283, 481, 703, 1729, 1981, 3367, 3679, 4921, 5377, 9139, 10471, 25753, 37639, 63973, 69901, 73297, 136123, 198949, 489307, 952861, 1392643, 2586337, 18104359]

約数ペア:

[(1, 18104359), (7, 2586337), (13, 1392643), (19, 952861), (37, 489307), (91, 198949), (133, 136123), (247, 73297), (259, 69901), (283, 63973), (481, 37639), (703, 25753), (1729, 10471), (1981, 9139), (3367, 5377), (3679, 4921)]