19095219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 33362784

約数和(自身を除く): 14267565

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 401, 407, 429, 481, 1203, 1221, 1287, 1443, 3609, 3663, 4329, 4411, 5213, 5291, 13233, 14837, 15639, 15873, 39699, 44511, 46917, 47619, 57343, 133533, 163207, 172029, 192881, 489621, 516087, 578643, 1468863, 1735929, 2121691, 6365073, 19095219]

約数ペア:

[(1, 19095219), (3, 6365073), (9, 2121691), (11, 1735929), (13, 1468863), (33, 578643), (37, 516087), (39, 489621), (99, 192881), (111, 172029), (117, 163207), (143, 133533), (333, 57343), (401, 47619), (407, 46917), (429, 44511), (481, 39699), (1203, 15873), (1221, 15639), (1287, 14837), (1443, 13233), (3609, 5291), (3663, 5213), (4329, 4411)]