19822159

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 24367392

約数和(自身を除く): 4545233

約数列:

[1, 7, 23, 53, 101, 161, 371, 529, 707, 1219, 2323, 3703, 5353, 8533, 16261, 28037, 37471, 53429, 123119, 196259, 374003, 861833, 2831737, 19822159]

約数ペア:

[(1, 19822159), (7, 2831737), (23, 861833), (53, 374003), (101, 196259), (161, 123119), (371, 53429), (529, 37471), (707, 28037), (1219, 16261), (2323, 8533), (3703, 5353)]