18646908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{221987}}^1$

素因数の和:222001

約数の個数: 24

約数和(自身を含む): 49725312

約数和(自身を除く): 31078404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 221987, 443974, 665961, 887948, 1331922, 1553909, 2663844, 3107818, 4661727, 6215636, 9323454, 18646908]

約数ペア:

[(1, 18646908), (2, 9323454), (3, 6215636), (4, 4661727), (6, 3107818), (7, 2663844), (12, 1553909), (14, 1331922), (21, 887948), (28, 665961), (42, 443974), (84, 221987)]