18948592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91099}}^1$

素因数の和:91120

約数の個数: 20

約数和(自身を含む): 39537400

約数和(自身を除く): 20588808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91099, 182198, 364396, 728792, 1184287, 1457584, 2368574, 4737148, 9474296, 18948592]

約数ペア:

[(1, 18948592), (2, 9474296), (4, 4737148), (8, 2368574), (13, 1457584), (16, 1184287), (26, 728792), (52, 364396), (104, 182198), (208, 91099)]