19198347

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2141}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 30279312

約数和(自身を除く): 11080965

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2141, 2989, 6423, 8967, 14987, 44961, 104909, 130601, 314727, 391803, 914207, 2742621, 6399449, 19198347]

約数ペア:

[(1, 19198347), (3, 6399449), (7, 2742621), (21, 914207), (49, 391803), (61, 314727), (147, 130601), (183, 104909), (427, 44961), (1281, 14987), (2141, 8967), (2989, 6423)]