18867933

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9661}}^1$

素因数の和:9705

約数の個数: 24

約数和(自身を含む): 32155136

約数和(自身を除く): 13287203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9661, 28983, 67627, 86949, 202881, 299491, 608643, 898473, 2096437, 2695419, 6289311, 18867933]

約数ペア:

[(1, 18867933), (3, 6289311), (7, 2695419), (9, 2096437), (21, 898473), (31, 608643), (63, 299491), (93, 202881), (217, 86949), (279, 67627), (651, 28983), (1953, 9661)]