19472816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110641}}^1$

素因数の和:110660

約数の個数: 20

約数和(自身を含む): 41158824

約数和(自身を除く): 21686008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110641, 221282, 442564, 885128, 1217051, 1770256, 2434102, 4868204, 9736408, 19472816]

約数ペア:

[(1, 19472816), (2, 9736408), (4, 4868204), (8, 2434102), (11, 1770256), (16, 1217051), (22, 885128), (44, 442564), (88, 221282), (176, 110641)]