18721164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20261}}^1$

素因数の和:20286

約数の個数: 48

約数和(自身を含む): 54464256

約数和(自身を除く): 35743092

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20261, 40522, 60783, 81044, 121566, 141827, 222871, 243132, 283654, 425481, 445742, 567308, 668613, 850962, 891484, 1337226, 1560097, 1701924, 2674452, 3120194, 4680291, 6240388, 9360582, 18721164]

約数ペア:

[(1, 18721164), (2, 9360582), (3, 6240388), (4, 4680291), (6, 3120194), (7, 2674452), (11, 1701924), (12, 1560097), (14, 1337226), (21, 891484), (22, 850962), (28, 668613), (33, 567308), (42, 445742), (44, 425481), (66, 283654), (77, 243132), (84, 222871), (132, 141827), (154, 121566), (231, 81044), (308, 60783), (462, 40522), (924, 20261)]