19655428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1979}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17600252

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 1979, 2483, 3958, 4966, 7916, 9932, 25727, 51454, 102908, 377989, 755978, 1511956, 4913857, 9827714, 19655428]

約数ペア:

[(1, 19655428), (2, 9827714), (4, 4913857), (13, 1511956), (26, 755978), (52, 377989), (191, 102908), (382, 51454), (764, 25727), (1979, 9932), (2483, 7916), (3958, 4966)]