19739416

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6343}}^1$

素因数の和:6738

約数の個数: 16

約数和(自身を含む): 37112400

約数和(自身を除く): 17372984

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6343, 12686, 25372, 50744, 2467427, 4934854, 9869708, 19739416]

約数ペア:

[(1, 19739416), (2, 9869708), (4, 4934854), (8, 2467427), (389, 50744), (778, 25372), (1556, 12686), (3112, 6343)]