19809412

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16453}}^1$

素因数の和:16507

約数の個数: 24

約数和(自身を含む): 40542656

約数和(自身を除く): 20733244

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16453, 32906, 65812, 115171, 230342, 460684, 707479, 1414958, 2829916, 4952353, 9904706, 19809412]

約数ペア:

[(1, 19809412), (2, 9904706), (4, 4952353), (7, 2829916), (14, 1414958), (28, 707479), (43, 460684), (86, 230342), (172, 115171), (301, 65812), (602, 32906), (1204, 16453)]