19802056

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79847}}^1$

素因数の和:79884

約数の個数: 16

約数和(自身を含む): 38327040

約数和(自身を除く): 18524984

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 79847, 159694, 319388, 638776, 2475257, 4950514, 9901028, 19802056]

約数ペア:

[(1, 19802056), (2, 9901028), (4, 4950514), (8, 2475257), (31, 638776), (62, 319388), (124, 159694), (248, 79847)]