18136745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 6901975

約数列:

[1, 5, 11, 29, 55, 83, 137, 145, 319, 415, 685, 913, 1507, 1595, 2407, 3973, 4565, 7535, 11371, 12035, 19865, 26477, 43703, 56855, 125081, 132385, 218515, 329759, 625405, 1648795, 3627349, 18136745]

約数ペア:

[(1, 18136745), (5, 3627349), (11, 1648795), (29, 625405), (55, 329759), (83, 218515), (137, 132385), (145, 125081), (319, 56855), (415, 43703), (685, 26477), (913, 19865), (1507, 12035), (1595, 11371), (2407, 7535), (3973, 4565)]