18821733

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 29685600

約数和(自身を除く): 10863867

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2099, 2989, 6297, 8967, 14693, 44079, 102851, 128039, 308553, 384117, 896273, 2688819, 6273911, 18821733]

約数ペア:

[(1, 18821733), (3, 6273911), (7, 2688819), (21, 896273), (49, 384117), (61, 308553), (147, 128039), (183, 102851), (427, 44079), (1281, 14693), (2099, 8967), (2989, 6297)]