19368447

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 30666240

約数和(自身を除く): 11297793

約数列:

[1, 3, 7, 21, 43, 89, 129, 241, 267, 301, 623, 723, 903, 1687, 1869, 3827, 5061, 10363, 11481, 21449, 26789, 31089, 64347, 72541, 80367, 150143, 217623, 450429, 922307, 2766921, 6456149, 19368447]

約数ペア:

[(1, 19368447), (3, 6456149), (7, 2766921), (21, 922307), (43, 450429), (89, 217623), (129, 150143), (241, 80367), (267, 72541), (301, 64347), (623, 31089), (723, 26789), (903, 21449), (1687, 11481), (1869, 10363), (3827, 5061)]