18404043

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 29145600

約数和(自身を除く): 10741557

約数列:

[1, 3, 7, 21, 43, 89, 129, 229, 267, 301, 623, 687, 903, 1603, 1869, 3827, 4809, 9847, 11481, 20381, 26789, 29541, 61143, 68929, 80367, 142667, 206787, 428001, 876383, 2629149, 6134681, 18404043]

約数ペア:

[(1, 18404043), (3, 6134681), (7, 2629149), (21, 876383), (43, 428001), (89, 206787), (129, 142667), (229, 80367), (267, 68929), (301, 61143), (623, 29541), (687, 26789), (903, 20381), (1603, 11481), (1869, 9847), (3827, 4809)]