18082603

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 23369696

約数和(自身を除く): 5287093

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 577, 847, 2849, 4039, 4477, 6347, 21349, 31339, 44429, 69817, 149443, 234839, 488719, 1643873, 2583229, 18082603]

約数ペア:

[(1, 18082603), (7, 2583229), (11, 1643873), (37, 488719), (77, 234839), (121, 149443), (259, 69817), (407, 44429), (577, 31339), (847, 21349), (2849, 6347), (4039, 4477)]