19680156

素因数分解:

$2^2\times 3^2\times {\mathrm{546671}}^1$

素因数の和:546681

約数の個数: 18

約数和(自身を含む): 49747152

約数和(自身を除く): 30066996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 546671, 1093342, 1640013, 2186684, 3280026, 4920039, 6560052, 9840078, 19680156]

約数ペア:

[(1, 19680156), (2, 9840078), (3, 6560052), (4, 4920039), (6, 3280026), (9, 2186684), (12, 1640013), (18, 1093342), (36, 546671)]