19951828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8923}}^1$

素因数の和:8983

約数の個数: 24

約数和(自身を含む): 38480288

約数和(自身を除く): 18528460

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8923, 17846, 35692, 115999, 231998, 383689, 463996, 767378, 1534756, 4987957, 9975914, 19951828]

約数ペア:

[(1, 19951828), (2, 9975914), (4, 4987957), (13, 1534756), (26, 767378), (43, 463996), (52, 383689), (86, 231998), (172, 115999), (559, 35692), (1118, 17846), (2236, 8923)]