18714544

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61561}}^1$

素因数の和:61588

約数の個数: 20

約数和(自身を含む): 38168440

約数和(自身を除く): 19453896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61561, 123122, 246244, 492488, 984976, 1169659, 2339318, 4678636, 9357272, 18714544]

約数ペア:

[(1, 18714544), (2, 9357272), (4, 4678636), (8, 2339318), (16, 1169659), (19, 984976), (38, 492488), (76, 246244), (152, 123122), (304, 61561)]