19696688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111913}}^1$

素因数の和:111932

約数の個数: 20

約数和(自身を含む): 41632008

約数和(自身を除く): 21935320

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111913, 223826, 447652, 895304, 1231043, 1790608, 2462086, 4924172, 9848344, 19696688]

約数ペア:

[(1, 19696688), (2, 9848344), (4, 4924172), (8, 2462086), (11, 1790608), (16, 1231043), (22, 895304), (44, 447652), (88, 223826), (176, 111913)]