18181130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 17743990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 839, 985, 1678, 1970, 2167, 4195, 4334, 8390, 9229, 10835, 18458, 21670, 46145, 92290, 165283, 330566, 826415, 1652830, 1818113, 3636226, 9090565, 18181130]

約数ペア:

[(1, 18181130), (2, 9090565), (5, 3636226), (10, 1818113), (11, 1652830), (22, 826415), (55, 330566), (110, 165283), (197, 92290), (394, 46145), (839, 21670), (985, 18458), (1678, 10835), (1970, 9229), (2167, 8390), (4195, 4334)]