19918173

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 30000544

約数和(自身を除く): 10082371

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1483, 4449, 4477, 13431, 16313, 48939, 54871, 164613, 179443, 538329, 603581, 1810743, 6639391, 19918173]

約数ペア:

[(1, 19918173), (3, 6639391), (11, 1810743), (33, 603581), (37, 538329), (111, 179443), (121, 164613), (363, 54871), (407, 48939), (1221, 16313), (1483, 13431), (4449, 4477)]