18243813

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1033}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 28819648

約数和(自身を除く): 10575835

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 841, 1033, 2523, 3099, 5887, 7231, 17661, 21693, 29957, 89871, 209699, 629097, 868753, 2606259, 6081271, 18243813]

約数ペア:

[(1, 18243813), (3, 6081271), (7, 2606259), (21, 868753), (29, 629097), (87, 209699), (203, 89871), (609, 29957), (841, 21693), (1033, 17661), (2523, 7231), (3099, 5887)]