18041296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12391}}^1$

素因数の和:12419

約数の個数: 40

約数和(自身を含む): 43025024

約数和(自身を除く): 24983728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12391, 24782, 49564, 86737, 99128, 161083, 173474, 198256, 322166, 346948, 644332, 693896, 1127581, 1288664, 1387792, 2255162, 2577328, 4510324, 9020648, 18041296]

約数ペア:

[(1, 18041296), (2, 9020648), (4, 4510324), (7, 2577328), (8, 2255162), (13, 1387792), (14, 1288664), (16, 1127581), (26, 693896), (28, 644332), (52, 346948), (56, 322166), (91, 198256), (104, 173474), (112, 161083), (182, 99128), (208, 86737), (364, 49564), (728, 24782), (1456, 12391)]