19121756

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 15472804

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 1039, 2078, 4156, 4601, 9202, 18404, 44677, 89354, 111173, 178708, 222346, 444692, 4780439, 9560878, 19121756]

約数ペア:

[(1, 19121756), (2, 9560878), (4, 4780439), (43, 444692), (86, 222346), (107, 178708), (172, 111173), (214, 89354), (428, 44677), (1039, 18404), (2078, 9202), (4156, 4601)]