18994928

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12239}}^1$

素因数の和:12344

約数の個数: 20

約数和(自身を含む): 37185120

約数和(自身を除く): 18190192

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12239, 24478, 48956, 97912, 195824, 1187183, 2374366, 4748732, 9497464, 18994928]

約数ペア:

[(1, 18994928), (2, 9497464), (4, 4748732), (8, 2374366), (16, 1187183), (97, 195824), (194, 97912), (388, 48956), (776, 24478), (1552, 12239)]