18999928

素因数分解:

$2^3\times {\mathrm{1181}}^1\times {\mathrm{2011}}^1$

素因数の和:3198

約数の個数: 16

約数和(自身を含む): 35672760

約数和(自身を除く): 16672832

約数列:

[1, 2, 4, 8, 1181, 2011, 2362, 4022, 4724, 8044, 9448, 16088, 2374991, 4749982, 9499964, 18999928]

約数ペア:

[(1, 18999928), (2, 9499964), (4, 4749982), (8, 2374991), (1181, 16088), (2011, 9448), (2362, 8044), (4022, 4724)]