199906942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{20959}}^1$

素因数の和:21231

約数の個数: 16

約数和(自身を含む): 316915200

約数和(自身を除く): 117008258

約数列:

[1, 2, 19, 38, 251, 502, 4769, 9538, 20959, 41918, 398221, 796442, 5260709, 10521418, 99953471, 199906942]

約数ペア:

[(1, 199906942), (2, 99953471), (19, 10521418), (38, 5260709), (251, 796442), (502, 398221), (4769, 41918), (9538, 20959)]