19139619

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:950

約数の個数: 16

約数和(自身を含む): 26347680

約数和(自身を除く): 7208061

約数列:

[1, 3, 37, 111, 269, 641, 807, 1923, 9953, 23717, 29859, 71151, 172429, 517287, 6379873, 19139619]

約数ペア:

[(1, 19139619), (3, 6379873), (37, 517287), (111, 172429), (269, 71151), (641, 29859), (807, 23717), (1923, 9953)]