19847409

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2113}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 27600384

約数和(自身を除く): 7752975

約数列:

[1, 3, 31, 93, 101, 303, 2113, 3131, 6339, 9393, 65503, 196509, 213413, 640239, 6615803, 19847409]

約数ペア:

[(1, 19847409), (3, 6615803), (31, 640239), (93, 213413), (101, 196509), (303, 65503), (2113, 9393), (3131, 6339)]