13218224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43481}}^1$

素因数の和:43508

約数の個数: 20

約数和(自身を含む): 26958840

約数和(自身を除く): 13740616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 43481, 86962, 173924, 347848, 695696, 826139, 1652278, 3304556, 6609112, 13218224]

約数ペア:

[(1, 13218224), (2, 6609112), (4, 3304556), (8, 1652278), (16, 826139), (19, 695696), (38, 347848), (76, 173924), (152, 86962), (304, 43481)]