19494332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 40515552

約数和(自身を除く): 21021220

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 173, 197, 286, 346, 394, 572, 692, 788, 1903, 2167, 2249, 2561, 3806, 4334, 4498, 5122, 7612, 8668, 8996, 10244, 24739, 28171, 34081, 49478, 56342, 68162, 98956, 112684, 136324, 374891, 443053, 749782, 886106, 1499564, 1772212, 4873583, 9747166, 19494332]

約数ペア:

[(1, 19494332), (2, 9747166), (4, 4873583), (11, 1772212), (13, 1499564), (22, 886106), (26, 749782), (44, 443053), (52, 374891), (143, 136324), (173, 112684), (197, 98956), (286, 68162), (346, 56342), (394, 49478), (572, 34081), (692, 28171), (788, 24739), (1903, 10244), (2167, 8996), (2249, 8668), (2561, 7612), (3806, 5122), (4334, 4498)]