18719884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{719}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 34352640

約数和(自身を除く): 15632756

約数列:

[1, 2, 4, 23, 46, 92, 283, 566, 719, 1132, 1438, 2876, 6509, 13018, 16537, 26036, 33074, 66148, 203477, 406954, 813908, 4679971, 9359942, 18719884]

約数ペア:

[(1, 18719884), (2, 9359942), (4, 4679971), (23, 813908), (46, 406954), (92, 203477), (283, 66148), (566, 33074), (719, 26036), (1132, 16537), (1438, 13018), (2876, 6509)]