197407796

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{136709}}^1$

素因数の和:136751

約数の個数: 18

約数和(自身を含む): 364605570

約数和(自身を除く): 167197774

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 136709, 273418, 546836, 2597471, 5194942, 10389884, 49351949, 98703898, 197407796]

約数ペア:

[(1, 197407796), (2, 98703898), (4, 49351949), (19, 10389884), (38, 5194942), (76, 2597471), (361, 546836), (722, 273418), (1444, 136709)]