19001224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 39061440

約数和(自身を除く): 20060216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 526, 821, 1052, 1642, 2104, 2893, 3284, 5786, 6568, 9031, 11572, 18062, 23144, 36124, 72248, 215923, 431846, 863692, 1727384, 2375153, 4750306, 9500612, 19001224]

約数ペア:

[(1, 19001224), (2, 9500612), (4, 4750306), (8, 2375153), (11, 1727384), (22, 863692), (44, 431846), (88, 215923), (263, 72248), (526, 36124), (821, 23144), (1052, 18062), (1642, 11572), (2104, 9031), (2893, 6568), (3284, 5786)]