18365710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17922290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 839, 995, 1678, 1990, 2189, 4195, 4378, 8390, 9229, 10945, 18458, 21890, 46145, 92290, 166961, 333922, 834805, 1669610, 1836571, 3673142, 9182855, 18365710]

約数ペア:

[(1, 18365710), (2, 9182855), (5, 3673142), (10, 1836571), (11, 1669610), (22, 834805), (55, 333922), (110, 166961), (199, 92290), (398, 46145), (839, 21890), (995, 18458), (1678, 10945), (1990, 9229), (2189, 8390), (4195, 4378)]