18425872

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4481}}^1$

素因数の和:4746

約数の個数: 20

約数和(自身を含む): 35847036

約数和(自身を除く): 17421164

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4481, 8962, 17924, 35848, 71696, 1151617, 2303234, 4606468, 9212936, 18425872]

約数ペア:

[(1, 18425872), (2, 9212936), (4, 4606468), (8, 2303234), (16, 1151617), (257, 71696), (514, 35848), (1028, 17924), (2056, 8962), (4112, 4481)]