19949048

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2269}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 43039200

約数和(自身を除く): 23090152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 2269, 4396, 4538, 8792, 9076, 15883, 18152, 31766, 63532, 127064, 356233, 712466, 1424932, 2493631, 2849864, 4987262, 9974524, 19949048]

約数ペア:

[(1, 19949048), (2, 9974524), (4, 4987262), (7, 2849864), (8, 2493631), (14, 1424932), (28, 712466), (56, 356233), (157, 127064), (314, 63532), (628, 31766), (1099, 18152), (1256, 15883), (2198, 9076), (2269, 8792), (4396, 4538)]