18494728

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1481}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 21341432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1481, 1561, 1784, 2962, 3122, 5924, 6244, 10367, 11848, 12488, 20734, 41468, 82936, 330263, 660526, 1321052, 2311841, 2642104, 4623682, 9247364, 18494728]

約数ペア:

[(1, 18494728), (2, 9247364), (4, 4623682), (7, 2642104), (8, 2311841), (14, 1321052), (28, 660526), (56, 330263), (223, 82936), (446, 41468), (892, 20734), (1481, 12488), (1561, 11848), (1784, 10367), (2962, 6244), (3122, 5924)]