18220373008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{289249}}^1$

素因数の和:289415

約数の個数: 40

約数和(自身を含む): 36727808000

約数和(自身を除く): 18507434992

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 2032, 3937, 7874, 15748, 31496, 62992, 289249, 578498, 1156996, 2313992, 4627984, 8966719, 17933438, 35866876, 36734623, 71733752, 73469246, 143467504, 146938492, 293876984, 587753968, 1138773313, 2277546626, 4555093252, 9110186504, 18220373008]

約数ペア:

[(1, 18220373008), (2, 9110186504), (4, 4555093252), (8, 2277546626), (16, 1138773313), (31, 587753968), (62, 293876984), (124, 146938492), (127, 143467504), (248, 73469246), (254, 71733752), (496, 36734623), (508, 35866876), (1016, 17933438), (2032, 8966719), (3937, 4627984), (7874, 2313992), (15748, 1156996), (31496, 578498), (62992, 289249)]