19556187

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 32747520

約数和(自身を除く): 13191333

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2131, 3059, 6393, 9177, 14917, 40489, 44751, 49013, 121467, 147039, 283423, 343091, 850269, 931247, 1029273, 2793741, 6518729, 19556187]

約数ペア:

[(1, 19556187), (3, 6518729), (7, 2793741), (19, 1029273), (21, 931247), (23, 850269), (57, 343091), (69, 283423), (133, 147039), (161, 121467), (399, 49013), (437, 44751), (483, 40489), (1311, 14917), (2131, 9177), (3059, 6393)]