18155566

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 33516000

約数和(自身を除く): 15360434

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 121, 143, 199, 242, 286, 319, 377, 398, 638, 754, 1573, 2189, 2587, 3146, 3509, 4147, 4378, 5174, 5771, 7018, 8294, 11542, 24079, 28457, 45617, 48158, 56914, 63481, 75023, 91234, 126962, 150046, 313027, 626054, 698291, 825253, 1396582, 1650506, 9077783, 18155566]

約数ペア:

[(1, 18155566), (2, 9077783), (11, 1650506), (13, 1396582), (22, 825253), (26, 698291), (29, 626054), (58, 313027), (121, 150046), (143, 126962), (199, 91234), (242, 75023), (286, 63481), (319, 56914), (377, 48158), (398, 45617), (638, 28457), (754, 24079), (1573, 11542), (2189, 8294), (2587, 7018), (3146, 5771), (3509, 5174), (4147, 4378)]