19421172

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{839}}^1$

素因数の和:1492

約数の個数: 36

約数和(自身を含む): 49227360

約数和(自身を除く): 29806188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 839, 1286, 1678, 1929, 2517, 2572, 3356, 3858, 5034, 5787, 7551, 7716, 10068, 11574, 15102, 23148, 30204, 539477, 1078954, 1618431, 2157908, 3236862, 4855293, 6473724, 9710586, 19421172]

約数ペア:

[(1, 19421172), (2, 9710586), (3, 6473724), (4, 4855293), (6, 3236862), (9, 2157908), (12, 1618431), (18, 1078954), (36, 539477), (643, 30204), (839, 23148), (1286, 15102), (1678, 11574), (1929, 10068), (2517, 7716), (2572, 7551), (3356, 5787), (3858, 5034)]