19656976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39631}}^1$

素因数の和:39670

約数の個数: 20

約数和(自身を含む): 39314944

約数和(自身を除く): 19657968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39631, 79262, 158524, 317048, 634096, 1228561, 2457122, 4914244, 9828488, 19656976]

約数ペア:

[(1, 19656976), (2, 9828488), (4, 4914244), (8, 2457122), (16, 1228561), (31, 634096), (62, 317048), (124, 158524), (248, 79262), (496, 39631)]