18957146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13757}}^1$

素因数の和:13825

約数の個数: 16

約数和(自身を含む): 31203144

約数和(自身を除く): 12245998

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13757, 27514, 178841, 357682, 729121, 1458242, 9478573, 18957146]

約数ペア:

[(1, 18957146), (2, 9478573), (13, 1458242), (26, 729121), (53, 357682), (106, 178841), (689, 27514), (1378, 13757)]