18439638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3457}}^1$

素因数の和:3596

約数の個数: 32

約数和(自身を含む): 42491904

約数和(自身を除く): 24052266

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3457, 5334, 6914, 10371, 20742, 24199, 48398, 72597, 145194, 439039, 878078, 1317117, 2634234, 3073273, 6146546, 9219819, 18439638]

約数ペア:

[(1, 18439638), (2, 9219819), (3, 6146546), (6, 3073273), (7, 2634234), (14, 1317117), (21, 878078), (42, 439039), (127, 145194), (254, 72597), (381, 48398), (762, 24199), (889, 20742), (1778, 10371), (2667, 6914), (3457, 5334)]