18120990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4409}}^1$

素因数の和:4556

約数の個数: 32

約数和(自身を含む): 43817760

約数和(自身を除く): 25696770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 4409, 8818, 13227, 22045, 26454, 44090, 66135, 132270, 604033, 1208066, 1812099, 3020165, 3624198, 6040330, 9060495, 18120990]

約数ペア:

[(1, 18120990), (2, 9060495), (3, 6040330), (5, 3624198), (6, 3020165), (10, 1812099), (15, 1208066), (30, 604033), (137, 132270), (274, 66135), (411, 44090), (685, 26454), (822, 22045), (1370, 13227), (2055, 8818), (4110, 4409)]