18994736

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13339}}^1$

素因数の和:13436

約数の個数: 20

約数和(自身を含む): 37218600

約数和(自身を除く): 18223864

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13339, 26678, 53356, 106712, 213424, 1187171, 2374342, 4748684, 9497368, 18994736]

約数ペア:

[(1, 18994736), (2, 9497368), (4, 4748684), (8, 2374342), (16, 1187171), (89, 213424), (178, 106712), (356, 53356), (712, 26678), (1424, 13339)]