19859508

素因数分解:

$2^2\times 3^2\times {\mathrm{551653}}^1$

素因数の和:551663

約数の個数: 18

約数和(自身を含む): 50200514

約数和(自身を除く): 30341006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 551653, 1103306, 1654959, 2206612, 3309918, 4964877, 6619836, 9929754, 19859508]

約数ペア:

[(1, 19859508), (2, 9929754), (3, 6619836), (4, 4964877), (6, 3309918), (9, 2206612), (12, 1654959), (18, 1103306), (36, 551653)]