18944709

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 30664704

約数和(自身を除く): 11719995

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 643, 1281, 1403, 1929, 4209, 4501, 9821, 13503, 14789, 29463, 39223, 44367, 103523, 117669, 274561, 310569, 823683, 902129, 2706387, 6314903, 18944709]

約数ペア:

[(1, 18944709), (3, 6314903), (7, 2706387), (21, 902129), (23, 823683), (61, 310569), (69, 274561), (161, 117669), (183, 103523), (427, 44367), (483, 39223), (643, 29463), (1281, 14789), (1403, 13503), (1929, 9821), (4209, 4501)]