18999376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107951}}^1$

素因数の和:107970

約数の個数: 20

約数和(自身を含む): 40158144

約数和(自身を除く): 21158768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107951, 215902, 431804, 863608, 1187461, 1727216, 2374922, 4749844, 9499688, 18999376]

約数ペア:

[(1, 18999376), (2, 9499688), (4, 4749844), (8, 2374922), (11, 1727216), (16, 1187461), (22, 863608), (44, 431804), (88, 215902), (176, 107951)]