18948159

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 28753920

約数和(自身を除く): 9805761

約数列:

[1, 3, 9, 23, 69, 207, 239, 383, 717, 1149, 2151, 3447, 5497, 8809, 16491, 26427, 49473, 79281, 91537, 274611, 823833, 2105351, 6316053, 18948159]

約数ペア:

[(1, 18948159), (3, 6316053), (9, 2105351), (23, 823833), (69, 274611), (207, 91537), (239, 79281), (383, 49473), (717, 26427), (1149, 16491), (2151, 8809), (3447, 5497)]